Leonardo da Vinci

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Leonardo da Vinci
Self-portrait in red chalk, circa 1512 to 1515. Royal Library of Turin
Born	Leonardo di Ser Piero
Nationality	Italian
Known for	Many and diverse fields of arts and sciences
Notable work	Mona Lisa, The Last Supper, The Vitruvian Man
Movement	High Renaissance
Signature

Leonardo di ser Piero da Vinci (pronunciation), (April 15, 1452 – May 2, 1519), was an Italian polymath: painter, sculptor, architect, musician, scientist, mathematician, engineer, inventor, anatomist, geologist, cartographer, botanist and writer. Leonardo has often been described as the archetype of the Renaissance man, a man whose unquenchable curiosity was equaled only by his powers of invention. He is widely considered to be one of the greatest painters of all time and perhaps the most diversely talented person ever to have lived. According to art historian Helen Gardner, the scope and depth of his interests were without precedent and "his mind and personality seem to us superhuman, the man himself mysterious and remote". Marco Rosci points out, however, that while there is much speculation about Leonardo, his vision of the world is essentially logical rather than mysterious, and that the empirical methods he employed were unusual for his time.

Born the illegitimate son of a notary, Piero da Vinci, and a peasant woman, Caterina, at Vinci in the region of Florence, Leonardo was educated in the studio of the renowned Florentine painter, Verrocchio. Much of his earlier working life was spent in the service of Ludovico il Moro in Milan. He later worked in Rome, Bologna and Venice and spent his last years in France, at the home awarded him by Francis I.

Leonardo was and is renowned primarily as a painter. Two of his works, the Mona Lisa and The Last Supper, are the most famous, most reproduced and most parodied portrait and religious paintings of all time, respectively, their fame approached only by Michelangelo's Creation of Adam. Leonardo's drawing of the Vitruvian Man is also regarded as a cultural icon, being reproduced on everything from the Euro to text books to t-shirts. Perhaps fifteen of his paintings survive, the small number due to his constant, and frequently disastrous, experimentation with new techniques, and his chronic procrastination. Nevertheless, these few works, together with his notebooks, which contain drawings, scientific diagrams, and his thoughts on the nature of painting, comprise a contribution to later generations of artists only rivalled by that of his contemporary, Michelangelo.

Leonardo is revered for his technological ingenuity. He conceptualised a helicopter, a tank, concentrated solar power, a calculator, the double hull and outlined a rudimentary theory of plate tectonics. Relatively few of his designs were constructed or were even feasible during his lifetime, but some of his smaller inventions, such as an automated bobbin winder and a machine for testing the tensile strength of wire, entered the world of manufacturing unheralded. As a scientist, he greatly advanced the state of knowledge in the fields of anatomy, civil engineering, optics, and hydrodynamics.

Life

Childhood, 1452–1466

Leonardo was born on April 15, 1452, "at the third hour of the night" in the Tuscan hill town of Vinci, in the lower valley of the Arno River in the territory of Florence. He was the illegitimate son of the wealthy Messer Piero Fruosino di Antonio da Vinci, a Florentine legal notary, and Caterina, a peasant. Leonardo had no surname in the modern sense, "da Vinci" simply meaning "of Vinci": his full birth name was "Lionardo di ser Piero da Vinci", meaning "Leonardo, (son) of (Mes)ser Piero from Vinci".

Little is known about Leonardo's early life. He spent his first five years in the hamlet of Anchiano in the home of his mother, then from 1457 lived in the household of his father, grandparents and uncle, Francesco, in the small town of Vinci. His father had married a sixteen-year-old girl named Albiera, who loved Leonardo but died young. Leonardo received an informal education in Latin, geometry and mathematics but did not show any particular signs of aptitude.

When Leonardo was sixteen his father married again, twenty-year-old Francesca Lanfredini. It was not until his third and fourth marriages that Ser Piero produced legitimate heirs. In later life, Leonardo only recorded two childhood incidents. One, which he regarded as an omen, was when a kite dropped from the sky and hovered over his cradle, its tail feathers brushing his face. The second occurred while exploring in the mountains. He discovered a cave and was both terrified that some great monster might lurk there, and driven by curiosity to find out what was inside.

Leonardo's early life has been the subject of historical conjecture. Vasari, the 16th-century biographer of Renaissance painters tells of how a local peasant made himself a round shield and requested that Ser Piero have it painted for him. Leonardo responded with a painting of monster spitting fire which was so terrifying that Ser Piero sold it to a Florentine art dealer, who sold it to the Duke of Milan. Meanwhile, having made a profit, Ser Piero bought a shield decorated with a heart pierced by an arrow, which he gave to the peasant.

Verrocchio's workshop, 1466–1476

In 1466, at the age of fourteen, Leonardo was apprenticed to the artist Andrea di Cione, known as Verrocchio whose workshop was "one of the finest in Florence". Other famous painters apprenticed or associated with the workshop include Domenico Ghirlandaio, Perugino, Botticelli, and Lorenzo di Credi. Leonardo would have been exposed to both theoretical training and a vast range of technical skills including drafting, chemistry, metallurgy, metal working, plaster casting, leather working, mechanics and carpentry as well as the artistic skills of drawing, painting, sculpting and modelling.

Much of the painted production of Verrocchio's workshop was done by his employees. According to Vasari, Leonardo collaborated with Verrocchio on his Baptism of Christ, painting the young angel holding Jesus's robe in a manner that was so far superior to his master's that Verrocchio put down his brush and never painted again. This is probably an exaggeration. On close examination, the painting reveals much that has been painted or touched up over the tempera using the new technique of oil paint, the landscape, the rocks that can be seen through the brown mountain stream and much of the figure of Jesus bearing witness to the hand of Leonardo.

Leonardo himself may have been the model for two works by Verrocchio, including the bronze statue of David in the Bargello, and the Archangel Michael in Tobias and the Angel.

By 1472, at the age of twenty, Leonardo qualified as a master in the Guild of St Luke, the guild of artists and doctors of medicine, but even after his father set him up in his own workshop, his attachment to Verrocchio was such that he continued to collaborate with him. Leonardo's earliest known dated work is a drawing in pen and ink of the Arno valley, drawn on August 5, 1473.

Professional life, 1476–1513

Florentine court records of 1476 show that Leonardo and three other young men were charged with sodomy, and acquitted. From that date until 1478 there is no record of his work or even of his whereabouts, In 1478 he left Verroccio's studio and was no longer resident at his father's house. One writer, the "Anonimo" Gaddiano claims that in 1480 he was living with the Medici and working in the garden of the Piazza San Marco in Florence. In January 1478 he received his first independent commission, to paint an altarpiece in 1478 for the Chapel of St Bernard in the Palazzo Vecchioand The Adoration of the Magi in March 1481 for the Monks of San Donato a Scopeto. Neither important commission was completed, the second being interrupted when Leonardo went to Milan.

In 1482 Leonardo, who according to Vasari was a most talented musician, created a silver lyre in the shape of a horse's head. Lorenzo de’ Medici sent Leonardo, bearing the lyre as a gift, to Milan, to secure peace with Ludovico il Moro, Duke of Milan. At this time Leonardo wrote an often-quoted letter to Ludovico, describing the many marvellous and diverse things that he could achieve in the field of engineering and informing the Lord that he could also paint.

Leonardo continued work in Milan between 1482 and 1499. He was commissioned to paint the Virgin of the Rocks for the Confraternity of the Immaculate Conception, and The Last Supper for the monastery of Santa Maria delle Grazie. While living in Milan between 1493 and 1495 Leonardo listed a woman called Caterina among his dependents in his taxation documents. When she died in 1495, the list of funeral expenditure suggests that she was his mother.

He worked on many different projects for Ludovico, including the preparation of floats and pageants for special occasions, designs for a dome for Milan Cathedral and a model for a huge equestrian monument to Francesco Sforza, Ludovico's predecessor. Seventy tons of bronze were set aside for casting it. The monument remained unfinished for several years, which was not unusual for Leonardo. In 1492 the clay model of the horse was completed. It surpassed in size the only two large equestrian statues of the Renaissance, Donatello's statue of Gattemelata in Padua and Verrocchio's Bartolomeo Colleoni in Venice, and became known as the "Gran Cavallo".

Leonardo began making detailed plans for its casting, however, Michelangelo rudely implied that Leonardo was unable to cast it. In November 1494 Ludovico gave the bronze to be used for cannons to defend the city from invasion by Charles VIII.

At the start of the Second Italian War in 1499, the invading French troops used the life-size clay model for the "Gran Cavallo" for target practice. With Ludovico Sforza overthrown, Leonardo, with his assistant Salai and friend, the mathematician Luca Pacioli, fled Milan for Venice, where he was employed as a military architect and engineer, devising methods to defend the city from naval attack.

On his return to Florence in 1500, he and his household were guests of the Servite monks at the monastery of Santissima Annunziata and were provided with a workshop where, according to Vasari, Leonardo created the cartoon of The Virgin and Child with St. Anne and St. John the Baptist, a work that won such admiration that "men and women, young and old" flocked to see it "as if they were attending a great festival". In 1502 Leonardo entered the service of Cesare Borgia, the son of Pope Alexander VI, acting as a military architect and engineer and travelling throughout Italy with his patron. Leonardo created a map of Cesare Borgia’s stronghold, a town plan of Imola in order to win his patronage. Maps were extremely rare at the time and it would have seemed like a new concept, upon seeing it, Cesare hired Leonardo as his chief military engineer and architect. Later in the year, Leonardo produced another map for his patron, one of Chiana Valley, Tuscany so as to give his patron a better overlay of the land and greater strategic position. Leonardo created this map in conjunction with his other project of constructing a dam from the sea to Florence in order to allow a supply of water to sustain the canal during all seasons.

File:Leonardo-da-vinci-maps 1.jpg

Leonardo da Vinci's very accurate map of Imola, created for Cesare Borgia.

He returned to Florence where he rejoined the Guild of St Luke on October 18, 1503, and spent two years designing and painting a great mural of The Battle of Anghiari for the Signoria, with Michelangelo designing its companion piece, The Battle of Cascina. In Florence in 1504, he was part of a committee formed to relocate, against the artist's will, Michelangelo's statue of David.

In 1506 he returned to Milan. Many of Leonardo's most prominent pupils or followers in painting either knew or worked with him in Milan, including Bernardino Luini, Giovanni Antonio Boltraffio and Marco D'Oggione. However, he did not stay in Milan for long because his father had died in 1504, and in 1507 he was back in Florence trying to sort out problems with his brothers over his father's estate. By 1508 he was back in Milan, living in his own house in Porta Orientale in the parish of Santa Babila.

Old age, 1513-1519

From September 1513 to 1516, Leonardo spent much of his time living in the Belvedere in the Vatican in Rome, where Raphael and Michelangelo were both active at the time. In October 1515, Francis I of France recaptured Milan. On December 19, Leonardo was present at the meeting of Francis I and Pope Leo X, which took place in Bologna. It was for Francis that Leonardo was commissioned to make a mechanical lion which could walk forward, then open its chest to reveal a cluster of lilies. In 1516, he entered François' service, being given the use of the manor house Clos Lucé near the king's residence at the royal Chateau Amboise. It was here that he spent the last three years of his life, accompanied by his friend and apprentice, Count Francesco Melzi, supported by a pension totalling 10,000 scudi.

Leonardo died at Clos Lucé, on May 2, 1519. Francis I had become a close friend. Vasari records that the King held Leonardo's head in his arms as he died, although this story, beloved by the French and portrayed in romantic paintings by Ingres, Ménageot and other French artists, as well as by Angelica Kauffmann, may be legend rather than fact. Vasari also tells us that in his last days, Leonardo sent for a priest to make his confession and to receive the Holy Sacrament. In accordance to his will, sixty beggars followed his casket. He was buried in the Chapel of Saint-Hubert in the castle of Amboise. Melzi was the principal heir and executor, receiving as well as money, Leonardo's paintings, tools, library and personal effects. Leonardo also remembered his other long-time pupil and companion, Salai and his servant Battista di Vilussis, who each received half of Leonardo's vineyards, his brothers who received land, and his serving woman who received a black cloak "of good stuff" with a fur edge.

Some twenty years after Leonardo's death, Francis was reported by the goldsmith and sculptor Benevenuto Cellini as saying: "There had never been another man born in the world who knew as much as Leonardo, not so much about painting, sculpture and architecture, as that he was a very great philosopher."

Relationships and influences

Ghiberti's *Gates of Paradise*, (1425-1452) were a source of communal pride. Many artists assisted in their creation.

Florence — Leonardo's artistic and social background

Florence, at the time of Leonardo's youth was the centre of Humanist thought and culture. Leonardo commenced his apprenticeship with Verrocchio in 1466, the year that Verrocchio's master, the great sculptor Donatello, died. The painter Uccello whose early experiments with perspective were to influence the development of landscape painting, was a very old man. The painters Piero della Francesca and Fra Filippo Lippi, sculptor Luca della Robbia, and architect and writer Leon Battista Alberti were in their sixties. The successful artists of the next generation were Leonardo's teacher Verrocchio, Antonio Pollaiuolo and the portrait sculptor, Mino da Fiesole whose lifelike busts give the most reliable likenesses of Lorenzo Medici's father Piero and uncle Giovanni.

Leonardo's youth was spent in a Florence that was ornamented by the works of these artists and by Donatello's contemporaries, Masaccio whose figurative frescoes were imbued with realism and emotion and Ghiberti whose Gates of Paradise, gleaming with gold leaf, displayed the art of combining complex figure compositions with detailed architectural backgrounds. Piero della Francesca had made a detailed study of perspective, and was the first painter to make a scientific study of light. These studies and Alberti's Treatise were to have a profound effect on younger artists and in particular on Leonardo's own observations and artworks.

Massaccio's depiction of the naked and distraught Adam and Eve leaving the Garden of Eden created a powerfully expressive image of the human form, cast into three dimensions by the use of light and shade which was to be developed in the works of Leonardo in a way that was to be influential in the course of painting. The Humanist influence of Donatello's David can be seen in Leonardo's late paintings, particularly John the Baptist.

A prevalent tradition in Florence was the small altarpiece of the Virgin and Child. Many of these were created in tempera or glazed terracotta by the workshops of Filippo Lippi, Verrocchio and the prolific della Robbia family. Leonardo's early Madonnas such as the The Madonna with a carnation and The Benois Madonna followed this tradition while showing idiosyncratic departures, particularly in the case of the Benois Madonna in which the Virgin is set at an oblique angle to the picture space with the Christ Child at the opposite angle. This compositional theme was to emerge in Leonardo's later paintings such as The Virgin and Child with St. Anne.

Leonardo was a contemporary of Botticelli, Domenico Ghirlandaio and Perugino, who were all slightly older than he was. He would have met them at the workshop of Verrocchio, with whom they had associations, and at the Academy of the Medici. Botticelli was a particular favourite of the Medici family and thus his success as a painter was assured. Ghirlandaio and Perugino were both prolific and ran large workshops. They competently delivered commissions to well-satisfied patrons who appreciated Ghirlandaio's ability to portray the wealthy citizens of Florence within large religious frescoes, and Perugino's ability to deliver a multitude of saints and angels of unfailing sweetness and innocence.

These three were among those commissioned to paint the walls of the Sistine Chapel, the work commencing with Perugino's employment in 1479. Leonardo was not part of this prestigious commission. His first significant commission, The Adoration of the Magi for the Monks of Scopeto, was never completed.

In 1476, during the time of Leonardo's association with Verrocchio's workshop, the Portinari Altarpiece by Hugo van der Goes arrived in Florence, bringing new painterly techniques from Northern Europe which were to profoundly effect Leonardo, Ghirlandaio, Perugino and others. In 1479, the Sicilian painter Antonello da Messina, who worked exclusively in oils, traveled north on his way to Venice, where the leading painter, Giovanni Bellini adopted the technique of oil painting, quickly making it the preferred method in Venice. Leonardo was also later to visit Venice.

Like the two contemporary architects, Bramante and Antonio da Sangallo the Elder, Leonardo experimented with designs for centrally planned churches, a number of which appear in his journals, as both plans and views, although none was ever realised.

Leonardo's political contemporaries were Lorenzo Medici (il Magnifico), who was three years older, and his popular younger brother Giuliano who was slain in the Pazzi Conspiracy in 1478. Ludovico il Moro who ruled Milan between 1479–1499 and to whom Leonardo was sent as ambassador from the Medici court, was also of Leonardo's age.

With Alberti, Leonardo visited the home of the Medici and through them came to know the older Humanist philosophers of whom Marsiglio Ficino, proponent of Neo Platonism, Cristoforo Landino, writer of commentaries on Classical writings, and John Argyropoulos, teacher of Greek and translator of Aristotle were foremost. Also associated with the Academy of the Medici was Leonardo's contemporary, the brilliant young poet and philosopher Pico della Mirandola. Leonardo later wrote in the margin of a journal "The Medici made me and the Medici destroyed me." While it was through the action of Lorenzo that Leonardo was to receive his important Milanese commissions, it is not known exactly what Leonardo meant by this cryptic comment.

Although usually named together as the three giants of the High Renaissance, Leonardo, Michelangelo and Raphael were not of the same generation. Leonardo was twenty-three when Michelangelo was born and thirty-one when Raphael was born. Raphael only lived until the age of 37 and died in 1520, the year after Leonardo, but Michelangelo went on creating for another 45 years.

Personal life

Main article: Leonardo da Vinci's personal life

Within Leonardo's lifetime, his extraordinary powers of invention, his "outstanding physical beauty", "infinite grace", "great strength and generosity", "regal spirit and tremendous breadth of mind" as described by Vasari, as well as all other aspects of his life, attracted the curiosity of others. One such aspect is his respect for life evidenced by his vegetarianism and his habit, described by Vasari, of purchasing caged birds and releasing them.

Leonardo had many friends who are now renowned either in their fields or for their historical significance. They included the mathematician Luca Pacioli, with whom he collaborated on a book in the 1490s, as well as Franchinus Gaffurius and Isabella d'Este. Leonardo appears to have had no close relationships with women except for his friendship with Isabella d'Este. He drew a portrait of her while on a journey which took him through Mantua, and which appears to have been used to create a painted portrait now lost.

Beyond friendship, Leonardo kept his private life secret. His sexuality has been the subject of satire, analysis, and speculation. This trend began in the mid-16th century and was revived in the 19th and 20th centuries, most notably by Sigmund Freud.

Leonardo's most intimate relationships were perhaps with his pupils Salai and Melzi, Melzi describing Leonardo's feelings for him as both loving and intensely passionate. It has been claimed since the 16th century that these relationships were of a sexual or erotic nature. Court records of 1476, when he was aged twenty-four, show that Leonardo and three other young men were charged with sodomy, and acquitted. Since that date much has been written about his presumed homosexuality and its role in his art, particularly in the androgyny and eroticism manifested in John the Baptist and Bacchus and more explicitly in a number of erotic drawings.

Assistants and pupils

Gian Giacomo Caprotti da Oreno, nicknamed Salai or Il Salaino ("The Little Unclean One" i.e., the devil), entered Leonardo's household in 1490. After only a year, Leonardo made a list of his misdemeanours, calling him "a thief, a liar, stubborn, and a glutton", after he had made off with money and valuables on at least five occasions, and spent a fortune on clothes. Nevertheless, Leonardo treated him with great indulgence and he remained in Leonardo's household for the next thirty years. Salai executed a number of paintings under the name of Andrea Salai, but although Vasari claims that Leonardo "taught him a great deal about painting", his work is generally considered to be of less artistic merit than others among Leonardo's pupils, such as Marco d'Oggione and Boltraffio. In 1515, he painted a nude version of the Mona Lisa, known as Monna Vanna. Salai owned the Mona Lisa at the time of his death in 1525, and in his will it was assessed at 505 lire, an exceptionally high valuation for a small panel portrait.

In 1506, Leonardo took on another pupil, Count Francesco Melzi, the son of a Lombard aristocrat, who is considered to have been his favourite student. He travelled to France with Leonardo, and remained with him until the latter's death. Upon Leonardo's death, Melzi inherited the artistic and scientific works, manuscripts, and collections of Leonardo, and faithfully administered the estate.

Painting

Despite the recent awareness and admiration of Leonardo as a scientist and inventor, for the better part of four hundred years his enormous fame rested on his achievements as a painter and on a handful of works, either authenticated or attributed to him that have been regarded as among the supreme masterpieces ever created.

These paintings are famous for a variety of qualities which have been much imitated by students and discussed at great length by connoisseurs and critics. Among the qualities that make Leonardo's work unique are the innovative techniques that he used in laying on the paint, his detailed knowledge of anatomy, light, botany and geology, his interest in physiognomy and the way in which humans register emotion in expression and gesture, his innovative use of the human form in figurative composition and his use of the subtle gradation of tone. All these qualities come together in his most famous painted works, the Mona Lisa, the Last Supper and the Virgin of the Rocks.

Early works

Leonardo's early works begin with the Baptism of Christ painted in conjunction with Verrocchio. Two other paintings appear to date from his time at the workshop, both of which are Annunciations. One is small, 59 centimetres (23 in) long and 14 centimetres (5.5 in) high. It is a "predella" to go at the base of a larger composition, in this case a painting by Lorenzo di Credi from which it has become separated. The other is a much larger work, 217 centimetres (85 in) long. In both these Annunciations, Leonardo has used a formal arrangement, such as in Fra Angelico's two well known pictures of the same subject, of the Virgin Mary sitting or kneeling to the right of the picture, approached from the left by an angel in profile, with rich flowing garment, raised wings and bearing a lily. Although previously attributed to Ghirlandaio, the larger work is now almost universally attributed to Leonardo.

In the smaller picture Mary averts her eyes and folds her hands in a gesture that symbolised submission to God's will. In the larger picture, however, Mary is not in the least submissive. The beautiful girl, interrupted in her reading by this unexpected messenger, puts a finger in her bible to mark the place and raises her hand in a formal gesture of greeting or surprise. This calm young woman appears to accept her role as the Mother of God not with resignation but with confidence. In this painting the young Leonardo presents the Humanist face of the Virgin Mary, recognising humanity's role in God's incarnation.

Paintings of the 1480s

In the 1480s Leonardo received two very important commissions, and commenced another work which was also of ground-breaking importance in terms of composition. Unfortunately two of the three were never finished and the third took so long that it was subject to lengthy negotiations over completion and payment. One of these paintings is that of St. Jerome in the Wilderness. Bortolon associates this picture with a difficult period of Leonardo's life, and the signs of melancholy in his diary: "I thought I was learning to live; I was only learning to die."

Although the painting is barely begun the composition can be seen and it is very unusual. Jerome, as a penitent, occupies the middle of the picture, set on a slight diagonal and viewed somewhat from above. His kneeling form takes on a trapezoid shape, with one arm stretched to the outer edge of the painting and his gaze looking in the opposite direction. J. Wasserman points out the link between this painting and Leonardo's anatomical studies. Across the foreground sprawls his symbol, a great lion whose body and tail make a double spiral across the base of the picture space. The other remarkable feature is the sketchy landscape of craggy rocks against which the figure is silhouetted.

The daring display of figure composition, the landscape elements and personal drama also appear in the great unfinished masterpiece, the Adoration of the Magi, a commission from the Monks of San Donato a Scopeto. It is a very complex composition about 250 square centimetres. Leonardo did numerous drawings and preparatory studies, including a detailed one in linear perspective of the ruined classical architecture which makes part of the backdrop to the scene. But in 1482 Leonardo went off to Milan at the behest of Lorenzo de’ Medici in order to win favour with Ludovico il Moro and the painting was abandoned.

The third important work of this period is the Virgin of the Rocks which was commissioned in Milan for the Confraternity of the Immaculate Conception. The painting, to be done with the assistance of the de Predis brothers, was to fill a large complex altarpiece, already constructed. Leonardo chose to paint an apocryphal moment of the infancy of Christ when the Infant John the Baptist, in protection of an angel, met the Holy Family on the road to Egypt. In this scene, as painted by Leonardo, John recognizes and worships Jesus as the Christ. The painting demonstrates an eerie beauty as the graceful figures kneel in adoration around the infant Christ in a wild landscape of tumbling rock and whirling water. While the painting is quite large, about 200 × 120 centimetres, it is not nearly as complex as the painting ordered by the monks of St Donato, having only four figures rather than about fifty and a rocky landscape rather than architectural details. The painting was eventually finished; in fact, two versions of the painting were finished, one which remained at the chapel of the Confraternity and the other which Leonardo carried away to France. But the Brothers did not get their painting, or the de Predis their payment, until the next century.

Paintings of the 1490s

Leonardo's most famous painting of the 1490s is The Last Supper, also painted in Milan. The painting represents the last meal shared by Jesus with his disciples before his capture and death. It shows specifically the moment when Jesus has said "one of you will betray me". Leonardo tells the story of the consternation that this statement caused to the twelve followers of Jesus.

The novelist Matteo Bandello observed Leonardo at work and wrote that some days he would paint from dawn till dusk without stopping to eat, and then not paint for three or four days at a time. This, according to Vasari, was beyond the comprehension of the prior, who hounded him until Leonardo asked Ludovico to intervene. Vasari describes how Leonardo, troubled over his ability to adequately depict the faces of Christ and the traitor Judas, told the Duke that he might be obliged to use the prior as his model.

When finished, the painting was acclaimed as a masterpiece of design and characterisation, but it deteriorated rapidly, so that within a hundred years it was described by one viewer as "completely ruined". Leonardo, instead of using the reliable technique of fresco, had used tempera over a ground that was mainly gesso, resulting in a surface which was subject to mold and to flaking. Despite this, the painting has remained one of the most reproduced works of art, countless copies being made in every medium from carpets to cameos.

Paintings of the 1500s

Among the works created by Leonardo in the 1500s is the small portrait known as the Mona Lisa or "la Gioconda", the laughing one. In the present era it is arguably the most famous painting in the world. Its fame rests, in particular, on the elusive smile on the woman's face, its mysterious quality brought about perhaps by the fact that the artist has subtly shadowed the corners of the mouth and eyes so that the exact nature of the smile cannot be determined. The shadowy quality for which the work is renowned came to be called "sfumato" or Leonardo's smoke. Vasari, who is generally thought to have known the painting only by repute, said that "the smile was so pleasing that it seemed divine rather than human; and those who saw it were amazed to find that it was as alive as the original".

Other characteristics found in this work are the unadorned dress, in which the eyes and hands have no competition from other details, the dramatic landscape background in which the world seems to be in a state of flux, the subdued colouring and the extremely smooth nature of the painterly technique, employing oils, but laid on much like tempera and blended on the surface so that the brushstrokes are indistinguishable. Vasari expressed the opinion that the manner of painting would make even "the most confident master ... despair and lose heart." The perfect state of preservation and the fact that there is no sign of repair or overpainting is extremely rare in a panel painting of this date.

In the Virgin and Child with St. Anne (see below ) the composition again picks up the theme of figures in a landscape which Wasserman describes as "breathtakingly beautiful" and harks back to the St Jerome picture with the figure set at an oblique angle. What makes this painting unusual is that there are two obliquely set figures superimposed. Mary is seated on the knee of her mother, St Anne. She leans forward to restrain the Christ Child as he plays roughly with a lamb, the sign of his own impending sacrifice. This painting, which was copied many times, was to influence Michelangelo, Raphael, and Andrea del Sarto, and through them Pontormo and Correggio. The trends in composition were adopted in particular by the Venetian painters Tintoretto and Veronese.

Drawings

Leonardo was not a prolific painter, but he was a most prolific draftsman, keeping journals full of small sketches and detailed drawings recording all manner of things that took his attention. As well as the journals there exist many studies for paintings, some of which can be identified as preparatory to particular works such as The Adoration of the Magi, The Virgin of the Rocks and The Last Supper. His earliest dated drawing is a Landscape of the Arno Valley, 1473, which shows the river, the mountains, Montelupo Castle and the farmlands beyond it in great detail.

Among his famous drawings are the Vitruvian Man, a study of the proportions of the human body, the Head of an Angel, for The Virgin of the Rocks in the Louvre, a botanical study of Star of Bethlehem and a large drawing (160×100 cm) in black chalk on coloured paper of the The Virgin and Child with St. Anne and St. John the Baptist in the National Gallery, London. This drawing employs the subtle sfumato technique of shading, in the manner of the Mona Lisa. It is thought that Leonardo never made a painting from it, the closest similarity being to The Virgin and Child with St. Anne in the Louvre.

Other drawings of interest include numerous studies generally referred to as "caricatures" because, although exaggerated, they appear to be based upon observation of live models. Vasari relates that if Leonardo saw a person with an interesting face he would follow them around all day observing them. There are numerous studies of beautiful young men, often associated with Salai, with the rare and much admired facial feature, the so-called "Grecian profile". These faces are often contrasted with that of a warrior. Salai is often depicted in fancy-dress costume. Leonardo is known to have designed sets for pageants with which these may be associated. Other, often meticulous, drawings show studies of drapery. A marked development in Leonardo's ability to draw drapery occurred in his early works. Another often-reproduced drawing is a macabre sketch that was done by Leonardo in Florence in 1479 showing the body of Bernardo Baroncelli, hanged in connection with the murder of Giuliano, brother of Lorenzo de'Medici, in the Pazzi Conspiracy. With dispassionate integrity Leonardo has registered in neat mirror writing the colours of the robes that Baroncelli was wearing when he died.

Leonardo as observer, scientist and inventor

Main article: Science and inventions of Leonardo da Vinci

Journals

Renaissance humanism saw no mutually exclusive polarities between the sciences and the arts, and Leonardo's studies in science and engineering are as impressive and innovative as his artistic work, recorded in notebooks comprising some 13,000 pages of notes and drawings, which fuse art and natural philosophy (the forerunner of modern science). These notes were made and maintained daily throughout Leonardo's life and travels, as he made continual observations of the world around him.

The journals are mostly written in mirror-image cursive. The reason may have been more a practical expediency than for reasons of secrecy as is often suggested. Since Leonardo wrote with his left hand, it is probable that it was easier for him to write from right to left.

His notes and drawings display an enormous range of interests and preoccupations, some as mundane as lists of groceries and people who owed him money and some as intriguing as designs for wings and shoes for walking on water. There are compositions for paintings, studies of details and drapery, studies of faces and emotions, of animals, babies, dissections, plant studies, rock formations, whirl pools, war machines, helicopters and architecture.

These notebooks—originally loose papers of different types and sizes, distributed by friends after his death—have found their way into major collections such as the Royal Library at Windsor Castle, the Louvre, the Biblioteca Nacional de España, the Victoria and Albert Museum, the Biblioteca Ambrosiana in Milan which holds the twelve-volume Codex Atlanticus, and British Library in London which has put a selection from its notebook BL Arundel MS 263 online. The Codex Leicester is the only major scientific work of Leonardo's in private hands. It is owned by Bill Gates, and is displayed once a year in different cities around the world.

Leonardo's journals appear to have been intended for publication because many of the sheets have a form and order that would facilitate this. In many cases a single topic, for example, the heart or the human foetus, is covered in detail in both words and pictures, on a single sheet. Why they were not published within Leonardo's lifetime is unknown.

Scientific studies

Leonardo's approach to science was an observational one: he tried to understand a phenomenon by describing and depicting it in utmost detail, and did not emphasize experiments or theoretical explanation. Since he lacked formal education in Latin and mathematics, contemporary scholars mostly ignored Leonardo the scientist, although he did teach himself Latin. In the 1490s he studied mathematics under Luca Pacioli and prepared a series of drawings of regular solids in a skeletal form to be engraved as plates for Pacioli's book De Divina Proportione, published in 1509.

It appears that from the content of his journals he was planning a series of treatises to be published on a variety of subjects. A coherent treatise on anatomy was said to have been observed during a visit by Cardinal Louis D'Aragon's secretary in 1517. Aspects of his work on the studies of anatomy, light and the landscape were assembled for publication by his pupil Francesco Melzi and eventually published as Treatise on Painting by Leonardo da Vinci in France and Italy in 1651, and Germany in 1724, with engravings based upon drawings by the Classical painter Nicholas Poussin. According to Arasse, the treatise, which in France went into sixty two editions in fifty years, caused Leonardo to be seen as "the precursor of French academic thought on art".

A recent and exhaustive analysis of Leonardo as Scientist by Frtijof Capra argues that Leonardo was a fundamentally different kind of scientist from Galileo, Newton and other scientists who followed him. Leonardo's experimentation followed clear scientific method approaches, and his theorising and hypothesising integrated the arts and particularly painting; these, and Leonardo's unique integrated, holistic views of science make him a forerunner of modern systems theory and complexity schools of thought.

Anatomy

Leonardo's formal training in the anatomy of the human body began with his apprenticeship to Andrea del Verrocchio, his teacher insisting that all his pupils learn anatomy. As an artist, he quickly became master of topographic anatomy, drawing many studies of muscles, tendons and other visible anatomical features.

As a successful artist, he was given permission to dissect human corpses at the Hospital of Santa Maria Nuova in Florence and later at hospitals in Milan and Rome. From 1510 to 1511 he collaborated in his studies with the doctor Marcantonio della Torre and together they prepared a theoretical work on anatomy for which Leonardo made more than 200 drawings. It was published only in 1680 (161 years after his death) under the heading Treatise on painting.

Leonardo drew many studies of the human skeleton and its parts, as well as muscles and sinews, the heart and vascular system, the sex organs, and other internal organs. He made one of the first scientific drawings of a fetus in utero. As an artist, Leonardo closely observed and recorded the effects of age and of human emotion on the physiology, studying in particular the effects of rage. He also drew many figures who had significant facial deformities or signs of illness.

He also studied and drew the anatomy of many other animals as well, dissecting cows, birds, monkeys, bears, and frogs, and comparing in his drawings their anatomical structure with that of humans. He also made a number of studies of horses.

Engineering and inventions

During his lifetime Leonardo was valued as an engineer. In a letter to Ludovico il Moro he claimed to be able to create all sorts of machines both for the protection of a city and for siege. When he fled to Venice in 1499 he found employment as an engineer and devised a system of moveable barricades to protect the city from attack. He also had a scheme for diverting the flow of the Arno River, a project on which Niccolò Machiavelli also worked. Leonardo's journals include a vast number of inventions, both practical and impractical. They include musical instruments, hydraulic pumps, reversible crank mechanisms, finned mortar shells, and a steam cannon.

In 1502, Leonardo produced a drawing of a single span 720-foot (220 m) bridge as part of a civil engineering project for Ottoman Sultan Beyazid II of Istanbul. The bridge was intended to span an inlet at the mouth of the Bosporus known as the Golden Horn. Beyazid did not pursue the project, because he believed that such a construction was impossible. Leonardo's vision was resurrected in 2001 when a smaller bridge based on his design was constructed in Norway. On May 17, 2006, the Turkish government decided to construct Leonardo's bridge to span the Golden Horn.

For much of his life, Leonardo was fascinated by the phenomenon of flight, producing many studies of the flight of birds, including his c. 1505 Codex on the Flight of Birds, as well as plans for several flying machines, including a helicopter and a light hang glider. Most were impractical, like his aerial screw helicopter design that could not provide lift. However, the hang glider has been successfully constructed and demonstrated.

Leonardo the legend

Main article: Cultural depictions of Leonardo da Vinci

Within Leonardo's own lifetime his fame was such that the King of France carried him away like a trophy, and was claimed to have supported him in his old age and held him in his arms as he died. The interest in Leonardo has never slackened. The crowds still queue to see his most famous artworks, T-shirts bear his most famous drawing and writers, like Vasari, continue to marvel at his genius and speculate about his private life and, particularly, about what one so intelligent actually believed in.

Giorgio Vasari, in the enlarged edition of Lives of the Artists, 1568, introduced his chapter on Leonardo da Vinci with the following words:

In the normal course of events many men and women are born with remarkable talents; but occasionally, in a way that transcends nature, a single person is marvellously endowed by Heaven with beauty, grace and talent in such abundance that he leaves other men far behind, all his actions seem inspired and indeed everything he does clearly comes from God rather than from human skill. Everyone acknowledged that this was true of Leonardo da Vinci, an artist of outstanding physical beauty, who displayed infinite grace in everything that he did and who cultivated his genius so brilliantly that all problems he studied he solved with ease.
— Giorgio Vasari

The continued admiration that Leonardo commanded from painters, critics and historians is reflected in many other written tributes. Baldassare Castiglione, author of Il Cortegiano ("The Courtier"), wrote in 1528: "... Another of the greatest painters in this world looks down on this art in which he is unequalled ..." while the biographer known as "Anonimo Gaddiano" wrote, c. 1540: "His genius was so rare and universal that it can be said that nature worked a miracle on his behalf ...".

The 19th century brought a particular admiration for Leonardo's genius, causing Henry Fuseli to write in 1801: "Such was the dawn of modern art, when Leonardo da Vinci broke forth with a splendour that distanced former excellence: made up of all the elements that constitute the essence of genius ..." This is echoed by A. E. Rio who wrote in 1861: "He towered above all other artists through the strength and the nobility of his talents."

By the 19th century, the scope of Leonardo's notebooks was known, as well as his paintings. Hippolyte Taine wrote in 1866: "There may not be in the world an example of another genius so universal, so incapable of fulfilment, so full of yearning for the infinite, so naturally refined, so far ahead of his own century and the following centuries."

The famous art historian Bernard Berenson wrote in 1896: "Leonardo is the one artist of whom it may be said with perfect literalness: Nothing that he touched but turned into a thing of eternal beauty. Whether it be the cross section of a skull, the structure of a weed, or a study of muscles, he, with his feeling for line and for light and shade, forever transmuted it into life-communicating values."

The interest in Leonardo's genius has continued unabated; experts study and translate his writings, analyse his paintings using scientific techniques, argue over attributions and search for works which have been recorded but never found. Liana Bortolon, writing in 1967, said: "Because of the multiplicity of interests that spurred him to pursue every field of knowledge ... Leonardo can be considered, quite rightly, to have been the universal genius par excellence, and with all the disquieting overtones inherent in that term. Man is as uncomfortable today, faced with a genius, as he was in the 16th century. Five centuries have passed, yet we still view Leonardo with awe."

Footnotes

This drawing in red chalk is widely (though not universally) accepted as an original self-portrait. The main reason for hesitation in accepting it as a portrait of Leonardo is that the subject is apparently of a greater age than Leonardo ever achieved. But it is possible that he drew this picture of himself deliberately aged, specifically for Raphael's portrait of him in The School of Athens.
There are 15 significant artworks which are ascribed, either in whole or in large part, to Leonardo by most art historians. This number is made up principally of paintings on panel but includes a mural, a large drawing on paper and two works which are in the early stages of preparation. There are a number of other works that have also been variously attributed to Leonardo.
Modern scientific approaches to metallurgy and engineering were only in their infancy during the Renaissance.
A number of Leonardo's most practical inventions are displayed as working models at the Museum of Vinci.
The third hour of the night was 10:30 pm, three hours after the saying of the Ave Maria.
It has been suggested that Caterina may have been a slave from the Middle East "or at least, from the Mediterranean". According to Alessandro Vezzosi, Head of the Leonardo Museum in Vinci, there is evidence that Piero owned a Middle Eastern slave called Caterina. That Leonardo had Middle Eastern blood is claimed to be supported by the reconstruction of a fingerprint as reported by Marta Falconi, Associated Press Writer, "Experts Reconstruct Leonardo Fingerprint" December 12, 2006", accessed 2010-01-06. The evidence as stated in the article is that 60% of people of Middle Eastern Origin share the pattern of whorls found on the reconstructed fingerprint. The article also states that the claim is refuted by Simon Cole, associate professor of criminology, law and society at the University of California at Irvine. "You can't predict one person's race from these kinds of incidences," he said, especially if looking at only one finger."
The "diverse arts" and technicall skills of Medieval and Renaissance workshops are described in detail in the 12th century text On Divers Arts by Theophilus Presbyter and in the early 15th century text Il Libro Dell'arte O Trattato Della Pittui by Cennino Cennini.
That Leonardo joined the guild before this time is deduced from the record of payment made to the Compagnia di San Luca in the company's register, Libro Rosso A, 1472-1520, Accademia di Belle Arti.
This work is now in the collection of the Uffizi, Drawing No. 8P.
Homosexual acts were illegal in Renaissance Florence.
Verrocchio's statue of Bartolomeo Colleoni was not cast until 1488, after his death, and after Leonardo had already begun work on the statue for Ludovico.
In 2005, the studio was rediscovered during the restoration of part of a building occupied for 100 years by the Department of Military Geography.
Both works are lost. While the entire composition of Michelangelo's painting is known from a copy by Aristotole da Sangallo, 1542. Leonardo's painting is only known from preparatory sketches and several copies of the centre section, of which the best known, and probably least accurate is by Peter Paul Rubens.
D'Oggione is known in part for his contemporary copies of the Last Supper.
It is unknown for what occasion the mechanical lion was made but it is believed to have greeted the King at his entry into Lyon and perhaps was used for the peace talks between the French king and Pope Leo X in Bologna. A conjectural recreated of the lion has been made and is on display in the Museum of Bologna.
Clos Lucé, also called Cloux, is now a public museum.
On the day of Leonardo's death, a royal edict was issued by the King at Saint-Germain-en-Laye, a two-day journey from Clos Lucé. This has been taken as evidence that King François cannot have been present at Leonardo's deathbed. However, White in Leonardo: The First Scientist points out that the edict was not signed by the king himself.
Michael Baxandall lists 5 "laudable conditions" or reactions of Mary to the presence and announcement of the angel. These are: Disquiet, Reflection, Inquiry, Submission and Merit. In this painting Mary's attitude does not comply with any of the accepted traditions.
The painting, which in the 18th century belonged to Angelica Kauffmann, was later cut up. The two main sections were found in a junk shop and cobbler's shop and were reunited. It is probable that outer parts of the composition are missing.
Whether or not Vasari had seen the Mona Lisa is the subject of debate. The opinion that he had not seen the painting is based mainly on the fact that he describes the Mona Lisa as having eyebrows. Daniel Arasse in Leonardo da Vinci discusses the possibility that Leonardo may have painted the figure with eyebrows which were subsequently removed. (They were not fashionable in the mid 16th century.) The analysis of high resolution scans made by Pascal Cotte has revealed that the Mona Lisa had eyebrows and eyelashes which have been subsequently removed.
Jack Wasserman writes of "the inimitable treatment of the surfaces" of this painting.
The "Grecian profile" has a continuous straight line from forehead to nose-tip, the bridge of the nose being exceptionally high. It is a feature of many Classical Greek statues.
Left-handed writers using a split nib or quill pen experience difficulty pushing the pen from left to right across the page.
This method of organisation minimises of loss of data in the case of pages being mixed up or destroyed.

References

^ Gardner, Helen (1970). Art through the Ages. pp. 450–456.
^ Vasari, Boltraffio, Castiglione, "Anonimo" Gaddiano, Berensen, Taine, Fuseli, Rio, Bortolon, etc. See specific quotations under heading "Leonardo, the legend".
Rosci, Marco (1977). Leonardo. p. 8.
Vitruvian Man is referred to as "iconic" at the following websites and many others:Vitruvian Man, Fine Art Classics, Key Images in the History of Science; Curiosity and difference; The Guardian: The Real da Vinci Code
The Controversial Replica of Leonardo's Adding Machine accessdate=2010-01-07
See expanded in article Science and inventions of Leonardo da Vinci
^ Vezzosi, Alessandro (1997). Leonardo da Vinci: Renaissance Man.
^ His birth is recorded in the diary of his paternal grandfather Ser Antonio, as cited by Angela Ottino della Chiesa in Leonardo da Vinci, p.83
^ della Chiesa, Angela Ottino (1967). The Complete Paintings of Leonardo da Vinci. p. 83.
^ Bortolon, Liana (1967). The Life and Times of Leonardo. London: Paul Hamlyn.
Rosci, p.20
Rosci, p.21
Brigstoke, Hugh (2001). The Oxford Companion the Western Art.
Vasari, Giorgio (1568). Lives of the Artists. Penguin Classics. pp. 258–9.
Rosci, p.13
^ Arasse, Daniel (1998). Leonardo da Vinci.
Rosci, p.27
Martindale, Andrew (1972). The Rise of the Artist.
Vasari, p.258
della Chiesa, p.88
Priwer, Shana; Phillips, Cynthia (2006). The Everything Da Vinci Book. p. 245.
^ Wasserman, Jack (1975). Leonardo da Vinci. pp. 77–78.
Winternitz, Emanuel (1982). Leonardo Da Vinci As a Musician.
Rossi, Paolo (2001). The Birth of Modern Science. p. 33.
"Leonardo's Letter to Ludovico Sforza". Leonardo-History. Retrieved 2010-01-05.
Kemp, Martin (2004). Leonardo.
Codex II, 95 r, Victoria and Albert Museum, as cited by della Chiesa p. 85
^ della Chiesa, p.85
Vasari, p.256
Owen, Richard (2005-01-12). "Found: the studio where Leonardo met Mona Lisa". The Times. Retrieved 2010-01-05.
Goldscheider, Ludwig (1967). Michelangelo: paintings, sculptures, architecture. Phaidon Press. ISBN 9780714813141.
della Chiesa, pp.106-107
Gaetano Milanesi, Epistolario Buonarroti, Florence (1875), as cited by della Chiesa.
^ della Chiesa, p.86
Georges Goyau, François I], Transcribed by Gerald Rossi. The Catholic Encyclopedia, Volume VI. Published 1909. New York: Robert Appleton Company. Retrieved on 2007-10-04
Miranda, Salvador (1998–2007). "The Cardinals of the Holy Roman Church: Antoine du Prat". Retrieved 2007-10-04.{{cite web}}: CS1 maint: date format (link)
^ Vasari, p.265
"Reconstruction of Leonardo's walking lion" (in Italian). Retrieved 2010-01-05.
For such images, see Cultural depictions of Leonardo da Vinci.
Vasari, p.270
"Leonardo's will". Leonardo-history. Retrieved 2007-09-28.
Mario Lucertini, Ana Millan Gasca, Fernando Nicolo. Technological Concepts and Mathematical Models in the Evolution of Modern Engineering Systems. Retrieved 2007-10-03.{{cite book}}: CS1 maint: multiple names: authors list (link)
Rosci, p. 13
^ Hartt, Frederich (1970). A History of Italian Renaissance Art. pp. 127–333.
^ Rosci, Leonardo, chapter 1, the historical setting, pp.9-20
^ Brucker, Gene A. (1969). Renaissance Florence.
^ Rachum, Ilan (1979). The Renaissance, an Illustrated Encyclopedia.
Piero della Francesca, On Perspective for Painting (De Prospectiva Pingendi)
Leon Battista Alberti, De Pictura, 1435. On Painting, in English, De Pictura, in Latin
Hartt, pp.391-2
Williamson, Hugh Ross (1974). Lorenzo the Magnificent.
Vasari, p.253
Vasari, p.257
Eugene Muntz, Leonardo da Vinci Artist, Thinker, and Man of Science (1898), quoted at Leonardo da Vinci's Ethical Vegetarianism
Bambach, Carmen (2003). "Leonardo, Left-Handed Draftsman and Writer". New York: Metropolitan Museum of Art. Retrieved 2009-10-18.
Sigmund Freud, Eine Kindheitserinnerung des Leonardo da Vinci, (1910)
Michael Rocke, Forbidden Friendships epigraph, p. 148 & N120 p.298
Leonardo, Codex C. 15v, Institut of France. Trans. Richter
della Chiesa, p.84
Gross, Tom. "Mona Lisa Goes Topless". Paintingsdirect.com. Retrieved 2007-09-27.
Rossiter, Nick (2003-07-04). "Could this be the secret of her smile?". Telegraph.co.UK. Retrieved 2007-10-03.
By the 1490s Leonardo had already been described as a "Divine" painter. His fame is discussed by Daniel Arasse in Leonardo da Vinci, pp.11-15
These qualities of Leonardo's works are discussed by Frederick Hartt in A History of Italian Renaissance Art, pp.387-411.
della Chiesa, pp. 88, 90
^ Berti, Luciano (1971). The Uffizi. pp. 59–62.
Baxandall, Michael (1974). Painting and Experience in Fifteenth Century Italy. pp. 49–56.
^ Wasserman, pp.104-6
Wasserman, p.108
"The Mysterious Virgin". National Gallery, London. Retrieved 2007-09-27.
Wasserman, p.124
Vasari, p.263
Vasari, p.262
della Chiesa, p.97
della Chiesa, p.98
Vasari, p.267
"The Mona Lisa had brows and lashes". BBC News. October 22, 2007. Retrieved 2008-02-22.
Wasserman, p.144
Vasari, p.266
della Chiesa, p.103
Wasserman, p.150
della Chiesa, p.109
^ Popham, A.E. (1946). The Drawings of Leonardo da Vinci.
della Chiesa, p.102
Vasari, p.261
"Sketches by Leonardo". Turning the Pages. British Library. Retrieved 2007-09-27.
Windsor Castle, Royal Library, sheets RL 19073v-19074v and RL 19102 respectively.
O'Malley; Saunders (1982). Leonardo on the Human Body. New York: Dover Publications.
della Chiesa, p.117
Capra, Fritjof. The Science of Leonardo; Inside the Mind of the Genius of the Renaissance. (New York, Doubleday, 2007)
Roger Masters (1996). Machiavelli, Leonardo and the Science of Power.
Roger Masters (1998). Fortune is a River: Leonardo Da Vinci and Niccolo Machiavelli's Magnificent Dream to Change the Course of Florentine History.
The Leonardo Bridge Project
Levy, Daniel S. (October 4, 1999). "Dream of the Master". Time magazine. Retrieved 2007-09-27. {{cite news}}: Italic or bold markup not allowed in: |publisher= (help)
The U.S. Public Broadcasting Service (PBS), aired in October 2005, a television programme called "Leonardo's Dream Machines", about the building and successful flight of a glider based on Leonardo's design.
see reference to this in section "Old age".
Vasari, p.255
Castiglione, Baldassare (1528). "Il Cortegiano". {{cite journal}}: Cite journal requires |journal= (help)
"Anonimo Gaddiani", elaborating on Libro di Antonio Billi, 1537–1542
Fuseli, Henry (1801). "Lectures". II. {{cite journal}}: Cite journal requires |journal= (help)
Rio, A.E. (1861). "L'art chrétien". {{cite journal}}: Cite journal requires |journal= (help)
Taine, Hippolyte (1866). "Voyage en Italie". {{cite journal}}: Cite journal requires |journal= (help)
Berenson, Bernard (1896). "The Italian Painters of the Renaissance". {{cite journal}}: Cite journal requires |journal= (help)
Melinda Henneberger. "ArtNews article about current studies into Leonardo's life and works". Art News Online. Retrieved 2010-01-10.

Bibliography

Daniel Arasse (1997). Leonardo da Vinci. Konecky & Konecky. ISBN 1 56852 1987.
Michael Baxandall (1974). Painting and Experience in Fifteenth Century Italy. Oxford University Press. ISBN 0 19 881329 5.
Fred Bérence (1965). Léonard de Vinci, L'homme et son oeuvre. Somogy. Dépot légal 4° trimestre 1965.
Luciano Berti (1971). The Uffizi. Scala.
Liana Bortolon (1967). The Life and Times of Leonardo. Paul Hamlyn, London.
Hugh Brigstoke (2001). The Oxford Companion the Western Art. USA: Oxford University Press. ISBN 0198662033.
Gene A. Brucker (1969). Renaissance Florence. Wiley and Sons. ISBN 0 471 11370 0.
Cennino Cennini (2009). Il Libro Dell'arte O Trattato Della Pittui. USA: BiblioBazaar. ISBN 9781103390328.
Angela Ottino della Chiesa (1967). The Complete Paintings of Leonardo da Vinci. Penguin Classics of World Art series. ISBN 0-14-00-8649-8.
Simona Cremante (2005). Leonardo da Vinci: Artist, Scientist, Inventor. Giunti. ISBN 88-09-03891-6 (hardback). {{cite book}}: Check |isbn= value: invalid character (help)
Frederich Hartt (1970). A History of Italian Renaissance Art. Thames and Hudson. ISBN 0500231362.
Michael H. Hart (1992). The 100. Carol Publishing Group. ISBN 0-8065-1350-0 (paperback). {{cite book}}: Check |isbn= value: invalid character (help)
Martin Kemp (2004). Leonardo. Oxford University Press. ISBN 0192806440.
Mario Lucertini, Ana Millan Gasca, Fernando Nicolo (2004). Technological Concepts and Mathematical Models in the Evolution of Modern Engineering Systems. Birkhauser. ISBN 376436940X.{{cite book}}: CS1 maint: multiple names: authors list (link)
John N. Lupia. The Secret Revealed: How to Look at Italian Renaissance Painting. Medieval and Renaissance Times, Vol. 1, no. 2 (Summer, 1994): 6–17. ISSN 1075-2110.
Andrew Martindale (1972). The Rise of the Artist. Thames and Hudson. ISBN 0-5000-56006. {{cite book}}: Check |isbn= value: checksum (help)
Roger Masters (1996). Machiavelli, Leonardo and the Science of Power. University of Notre Dame Press. ISBN 0-268-01433-7.
Roger Masters (1998). Fortune is a River: Leonardo Da Vinci and Niccolo Machiavelli's Magnificent Dream to Change the Course of Florentine History. Simon & Schuster. ISBN 0-452-28090-7.
Charles D. O'Malley and J. B. de C. M. Sounders (1952). Leonardo on the Human Body: The Anatomical, Physiological, and Embryological Drawings of Leonardo da Vinci. With Translations, Emendations and a Biographical Introduction. Henry Schuman, New York.
Charles Nicholl (2005). Leonardo da Vinci, The Flights of the Mind. Penguin. ISBN 0-14-029681-6.
Sherwin B. Nuland (2001). Leonardo Da Vinci. Phoenix Press. ISBN 0-7538-1269. {{cite book}}: Check |isbn= value: length (help)
A.E. Popham (1946). The Drawings of Leonardo da Vinci. Jonathan Cape. ISBN 0 224 60462 7.
Shana Priwer & Cynthia Phillips (2006). The Everything Da Vinci Book: Explore the Life and Times of the Ultimate Renaissance Man. Adams Media. ISBN 1598691015.
Ilan Rachum (1979). The Renaissance, an Illustrated Encyclopedia. Octopus. ISBN 0-7064-0857-8.
Jean Paul Richter (1970). The Notebooks of Leonardo da Vinci. Dover. ISBN 0-486-22572-0 and ISBN 0-486-22573-9 (paperback). {{cite book}}: Check |isbn= value: invalid character (help) 2 volumes. A reprint of the original 1883 edition.
Marco Rosci (1977). Leonardo. Bay Books Pty Ltd. ISBN 0858351765.
Paolo Rossi (2001). The Birth of Modern Science. Blackwell Publishing. ISBN 0631227113.
Bruno Santi (1990). Leonardo da Vinci. Scala / Riverside.
Theophilus (1963). On Divers Arts. USA: University of Chicago Press. ISBN 9780226794822.
Jack Wasserman (1975). Leonardo da Vinci. Abrams. ISBN 0-8109-0262-1.
Giorgio Vasari (1568). Lives of the Artists. Penguin Classics, trans. George Bull 1965. ISBN 0-14-044-164-6.
Williamson, Hugh Ross (1974). Lorenzo the Magnificent. Michael Joseph. ISBN 07181 12040.
Emanuel Winternitz (1982). Leonardo Da Vinci As a Musician. USA: Yale University Press. ISBN 9780300026313.
Alessandro Vezzosi (1997 (English translation)). Leonardo da Vinci: Renaissance Man. Thames & Hudson Ltd, London. ISBN 0-500-30081-X. {{cite book}}: Check date values in: |year= (help)CS1 maint: year (link)
Frank Zollner (2003). Leonardo da Vinci: The Complete Paintings and Drawings. Taschen. ISBN 3-8228-1734-1 (hardback). {{cite book}}: Check |isbn= value: invalid character (help) .

External links

"Leonardo da Vinci" in the 1913 Catholic Encyclopedia.
Leonardo da Vinci: Experience, Experiment, Design (review)
Works by Leonardo da Vinci at Project Gutenberg
Leonardo da Vinci by Maurice Walter Brockwell' at Project Gutenberg
Complete text & images of Richter's translation of the Notebooks
Vasari Life of Leonardo: in Lives of the Most Eminent Painters, Sculptors, and Architects.
Web Gallery of Leonardo Paintings
Drawings of Leonardo da Vinci
Da Vinci Decoded Article from The Guardian
The true face of Leonardo Da Vinci?
Leonardo da Vinci's Ethical Vegetarianism
The Notebooks of Leonardo da Vinci
Leonardo da Vinci at Find a Grave

Leonardo da Vinci

Paintings

Lost paintings	Medusa Madonna and Child with the Infant Saint John the Baptist The Holy Infants Embracing The Battle of Anghiari Leda and the Swan

Sculptures

Works on paper

Studies for the Virgin of the Rocks	Designs for an Adoration of the Christ Child Head of the Angel Head of the Infant Saint John the Baptist
Studies for the Last Supper	Head of Christ
Relating to the Virgin and Child with Saint Anne	The Virgin and Child with Saint Anne and Saint John the Baptist (London cartoon) Second cartoon (lost) Christ Child Drapery of the Virgin's Legs Drapery of the Virgin's Right Arm Head of Saint Anne Head of the Virgin