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	{{TOCleft}}'''Nicolaus Copernicus''' (], ] – ], ]) was the ] who formulated the first modern ] theory of the ]. His epochal book, '']'' (On the Revolutions of the Celestial Spheres), is often conceived as the starting point of modern ], as well as a central and defining ] in all the history of science.		{{TOCleft}}'''Nicolaus Copernicus''' (], ] – ], ]) was the polish ] who formulated the first modern ] theory of the ]. His epochal book, '']'' (On the Revolutions of the Celestial Spheres), is often conceived as the starting point of modern ], as well as a central and defining ] in all the history of science.

	Among the great ]s of the ], Copernicus was a ], ], ], ], ], ], ], ], ], ]. Amid Copernicus' extensive responsibilities, astronomy figured as little more than an avocation.		Among the great ]s of the ], Copernicus was a ], ], ], ], ], ], ], ], ], ]. Amid Copernicus' extensive responsibilities, astronomy figured as little more than an avocation.

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"Copernicus" redirects here. For other uses, see Copernicus (disambiguation).

Nicolaus Copernicus
Portrait from his hometown, Toruń, beginning of the 16th century.
Born	19 February 1473 Toruń, Royal Prussia, (Poland)
Died	24 May 1543 Frombork, Warmia (Ermeland), (Poland)
Alma mater	Cracow Academy
Known for	The first modern formulation of a heliocentric theory of the solar system.
Children	(celibate cleric, no children)
Scientific career
Fields	Catholic cleric, Mathematician, Astronomer

Nicolaus Copernicus (February 19, 1473 – May 24, 1543) was the polish astronomer who formulated the first modern heliocentric theory of the solar system. His epochal book, De revolutionibus orbium coelestium (On the Revolutions of the Celestial Spheres), is often conceived as the starting point of modern astronomy, as well as a central and defining epiphany in all the history of science.

Among the great polymaths of the Scientific Revolution, Copernicus was a mathematician, astronomer, jurist, physician, classical scholar, Catholic cleric, governor, administrator, diplomat, economist. Amid Copernicus' extensive responsibilities, astronomy figured as little more than an avocation.

While the heliocentric theory had been formulated by Indian and Muslim savants centuries before Copernicus, his reiteration that the sun (rather than the Earth) is at the center of the solar system is considered among the most important landmarks in the history of western science.

Life

Copernicus was born in 1473 in the city of Toruń in Royal Prussia, a province of the Kingdom of Poland. He was educated at Kraków, Bologna and Padua, and spent most of his working life within the bishopric of Ermeland, in the town of Frombork, where he died in 1543.

Childhood

When he was ten years old, his father, a wealthy businessman, copper trader, and respected citizen of Toruń, died. Little is known of Copernicus' mother, Barbara Watzenrode. She was born into a rich merchant's family. It appears she predeceased her husband. Copernicus' maternal uncle, Lucas Watzenrode, a church canon and later Prince-Bishop governor of the Archbishopric of Warmia, reared him and his three siblings after the death of his father. His uncle's position helped Copernicus in the pursuit of a career within the Church, enabling him to devote much time to his astronomy studies. Copernicus had a brother and two sisters:

Andreas became a Augustinian canon at Frombork (Frauenburg).
Barbara became a Benedictine nun.
Katharina married Barthel Gertner, a businessman and city councillor.

Education

In 1491, Copernicus enrolled at the Kraków Academy (today the Jagiellonian University), where he probably first encountered astronomy. This science soon fascinated him, as shown by his books, which would later be carried off as war booty by the Swedes, during "The Deluge", to the Uppsala University Library. After four years at Kraków, followed by a brief stay back home at Toruń, he went to Italy, where he studied law and medicine at the universities of Bologna and Padua. His bishop-uncle financed his education and wished for him to become a bishop as well. However, while studying canon and civil law at Ferrara, Copernicus met the famous astronomer, Domenico Maria Novara da Ferrara. Copernicus attended Novara's lectures and became his disciple and assistant. The first observations that Copernicus made in 1497, together with Novara, are recorded in Copernicus' epochal book, De revolutionibus orbium coelestium.

In 1497 Copernicus' uncle was ordained Bishop of Warmia, and Copernicus was named a canon at Frauenburg Cathedral, but he waited in Italy for the great Jubilee of 1500. Copernicus went to Rome, where he observed a lunar eclipse and gave some lectures in astronomy and mathematics.

He would thus have visited Frombork (Frauenburg) only in 1501. As soon as he arrived, he requested and obtained permission to return to Italy to complete his studies at Padua (with Guarico and Fracastoro) and at Ferrara (with Domenico Maria Novara da Ferrara), where in 1503 he received his doctorate in canon law. It has been surmised that it was in Padua that he encountered passages from Cicero and Plato about opinions of the ancients on the movement of the Earth, and formed the first intuition of his own future theory. It was in 1504 that Copernicus began collecting observations and ideas pertinent to his theory.

Work

Having left Italy at the end of his studies, he came to live and work at Frombork (Frauenburg). Some time before his return to Warmia, he had received a position at the Collegiate Church of the Holy Cross in Breslaw in Silesia in Germania 1635 map, which he would attend to for many years and only resign for health reasons shortly before his death. Through the rest of his life, he performed astronomical observations and calculations, but only as time permitted and never in a professional capacity.

Monetary reformer

Main article: Copernicus and coin reform

Copernicus worked for years with the Royal Prussian Diet on monetary reform and wrote studies on the value of money; as governor of Warmia, he administered taxes and dealt out justice. Beginning in 1519, the year of Thomas Gresham's birth, Copernicus formulated an early iteration of the theory, now called "Gresham's Law," that "bad" (debased) coinage drives "good" (un-debased) coinage out of circulation. During these years, he also traveled extensively on government business and as a diplomat, on behalf of the Prince-Bishop of Warmia.

Heliocentric model

In 1514 he made his Commentariolus (Little Commentary) — a short handwritten text describing his ideas about the heliocentric hypothesis — available to friends. Thereafter he continued gathering data for a more detailed work. During the war between the Teutonic Order and the Kingdom of Poland (1519–1524), Copernicus at the head of royal troops successfully defended Allenstein, besieged by the forces of Albert of Brandenburg.

In 1533, Johann Albrecht Widmannstetter delivered a series of lectures in Rome, outlining Copernicus' theory. These lectures were heard with interest by several Catholic cardinals and Pope Clement VII.

By 1536, Copernicus' work was nearing its definitive form, and rumors about his theory had reached educated people all over Europe. From many parts of the continent, Copernicus was urged to publish.

In a letter dated Rome, 1 November 1536, the Archbishop of Capua Nikolaus Cardinal von Schönberg asked Copernicus to communicate his ideas more widely and requested a copy for himself:

"Therefore, learned man, without wishing to be inopportune, I beg you most emphatically to communicate your discovery to the learned world, and to send me as soon as possible your theories about the Universe, together with tables and whatever else you have pertaining to the subject."

It has been suggested that this letter may have made Copernicus leery of publication, while others have suggested that it indicated that the Church wanted to ensure that his ideas were published.

Despite urgings from many quarters, Copernicus delayed with the publication of his book — perhaps from fear of criticism delicately expressed in the "Dedication to Pope Paul III" associated with his great book. About this, historians of science David Lindberg and Ronald Numbers wrote:

"If Copernicus had any genuine fear of publication, it was the reaction of scientists, not clerics, that worried him. Other churchmen before him — Nicole Oresme (a French bishop) in the fourteenth century and Nicolaus Cusanus (a German cardinal) in the fifteenth — had freely discussed the possible motion of the earth, and there was no reason to suppose that the reappearance of this idea in the sixteenth century would cause a religious stir." .

De revolutionibus

Copernicus was still working on De revolutionibus (even if not convinced that he wanted to publish it) when in 1539 Georg Joachim Rheticus, a mathematician from Wittenberg, arrived in Frombork. Philipp Melanchthon had arranged for Rheticus to visit several astronomers and study with them. Rheticus became a pupil of Copernicus, staying with him for two years, during which he wrote a book, Narratio prima (First Account), outlining the essence of Copernicus' theory. In 1542, Rheticus published a treatise on trigonometry by Copernicus (later included in the second book of De revolutionibus). Under strong pressure from Rheticus, and having seen the favorable first general reception of his work, Copernicus finally agreed to give the book to his close friend, Tiedemann Giese, bishop of Chełmno (Kulm), to be delivered to Rheticus for printing by Johannes Petreius at Nuremberg (Nürnberg).

Legend has it that the first printed copy of De revolutionibus was placed in Copernicus' hands on the very day he died, allowing him to take farewell of his opus vitae (life's work). He is reputed to have woken from a stroke-induced coma, looked at his book, and died peacefully.

Copernicus was buried in Frombork Cathedral. Archeologists had long searched vainly for his remains when, on November 3, 2005, it was announced that in August that year Copernicus' skull had been discovered (see "Grave" below).

Copernican system

Main article: Copernican heliocentrism

Earlier theories

Much has been written about earlier heliocentric theories. Early traces of a heliocentric model are found in several Vedic Sanskrit texts composed in ancient India before the 7th century BC. Therefore, some state that Aryabhata in India anticipated Copernicus' work by over 1,000 years.

Aristarchus of Samos in the 3rd century BC had developed some theories of Heraclides Ponticus (speaking of a revolution by Earth on its axis) to propose what was, so far as is known, the first serious model of a heliocentric solar system. His work about a heliocentric system has not survived, so one may only speculate about what led him to his conclusions. It is notable that, according to Plutarch, a contemporary of Aristarchus accused him of impiety for "putting the Earth in motion."

Copernicus cited Aristarchus and Philolaus in an early manuscript of his book which survives, stating: "Philolaus believed in the mobility of the earth, and some even say that Aristarchus of Samos was of that opinion." For reasons unknown (although possibly out of reluctance to quote pre-Christian sources), he did not include this passage in the publication of his book. It has been argued that in developing the mathematics of heliocentrism Copernicus drew on, not just the Greek, but the Islamic tradition of mathematics and astronomy, especially the works of Nasir al-Din Tusi, Mu’ayyad al-Din al-‘Urdi and ibn al-Shatir.

Ptolemaic system

The prevailing theory in Europe as Copernicus was writing was that created by Ptolemy in his Almagest, dating from about 150 A.D.. The Ptolemaic system drew on many previous theories that viewed Earth as a stationary center of the universe. Stars were embedded in a large outer sphere which rotated relatively rapidly, while the planets dwelt in smaller spheres between — a separate one for each planet.

Copernican theory

Copernicus' major theory was published in the book, De revolutionibus orbium coelestium (On the Revolutions of the Celestial Spheres) during the year of his death, 1543, though he had arrived at his theory several decades earlier.

The Copernican system can be summarized in seven propositions, as Copernicus himself collected them in a Compendium of De revolutionibus that was found and published in 1878.

The major parts of Copernican theory are:

Heavenly motions are uniform, eternal, and circular or compounded of several circles (epicycles).
The center of the universe is near the Sun.
Around the Sun, in order, are Mercury, Venus, Earth and Moon, Mars, Jupiter, Saturn, and the fixed stars.
The Earth has three motions: daily rotation, annual revolution, and annual tilting of its axis.
Retrograde motion of the planets is explained by the Earth's motion.
The distance from the Earth to the sun is small compared to the distance to the stars.

The work itself was then divided into six books:

General vision of the heliocentric theory, and a summarized exposition of his idea of the World
Mainly theoretical, presents the principles of spherical astronomy and a list of stars (as a basis for the arguments developed in the subsequent books)
Mainly dedicated to the apparent motions of the Sun and to related phenomena
Description of the Moon and its orbital motions
Concrete exposition of the new system
Concrete exposition of the new system (continued)

Copernicanism

Copernicus' theory is of extraordinary importance in the history of human knowledge. Many authors suggest that few other persons have exerted a comparable influence on human culture in general and on science in particular. There are parallels with the life of Charles Darwin, in that both men produced a short early description of their theories, but held back on a definitive publication until late in life, against a backdrop of controversy, particularly with regard to religion.

Many meanings have been ascribed to Copernicus' theory, apart from its strictly scientific import. His work affected religion as well as science, dogma as well as freedom of scientific inquiry. Copernicus' rank as a scientist is often compared with that of Galileo.

Copernicus' work contradicted then-accepted religious dogma: it could be inferred that there was no need of an entity (God) that granted a soul, power and life to the World and to human beings — science could explain everything that was attributed to Him.

Copernicanism, however, also opened a way to immanence, the view that a divine force, or divine being, pervades all that exists — a view that has since been developed further in modern philosophy. Immanentism also leads to subjectivism: to the theory that it is perception that creates reality, that there is no underlying reality that exists independent of perception. Thus some argue that Copernicanism demolished the foundations of medieval science and metaphysics.

A corollary of Copernicanism is that scientific law need not be congruent with appearance. This contrasts with Aristotle's system, which placed much more importance on the derivation of knowledge through the senses.

Copernicus' concept marked a scientific revolution. The publication of his De revolutionibus orbium coelestium is often taken to mark the beginning of the Scientific Revolution, together with the publication of Andreas Vesalius' De Humani Corporis Fabrica .

Quotes

Goethe:

"Of all discoveries and opinions, none may have exerted a greater effect on the human spirit than the doctrine of Copernicus. The world had scarcely become known as round and complete in itself when it was asked to waive the tremendous privilege of being the center of the universe. Never, perhaps, was a greater demand made on mankind — for by this admission so many things vanished in mist and smoke! What became of our Eden, our world of innocence, piety and poetry; the testimony of the senses; the conviction of a poetic — religious faith? No wonder his contemporaries did not wish to let all this go and offered every possible resistance to a doctrine which in its converts authorized and demanded a freedom of view and greatness of thought so far unknown, indeed not even dreamed of."

Nietzsche:

"I was pleased to think of the right of the Polish nobleman to upset with its simple veto the resolution of a (parliament) meeting; and the Pole Copernikus seemed to have made from this right against the resolution and all appearances of other people the largest and worthiest use."

Copernicus:

"For I am not so enamored of my own opinions that I disregard what others may think of them. I am aware that a philosopher's ideas are not subject to the judgment of ordinary persons, because it is his endeavor to seek the truth in all things, to the extent permitted to human reason by God. Yet I hold that completely erroneous views should be shunned. Those who know that the consensus of many centuries has sanctioned the conception that the earth remains at rest in the middle of the heaven as its center would, I reflected, regard it as an insane pronouncement if I made the opposite assertion that the earth moves.

"For when a ship is floating calmly along, the sailors see its motion mirrored in everything outside, while on the other hand they suppose that they are stationary, together with everything on board. In the same way, the motion of the earth can unquestionably produce the impression that the entire universe is rotating.

"Therefore alongside the ancient hypotheses, which are no more probable, let us permit these new hypotheses also to become known, especially since they are admirable as well as simple and bring with them a huge treasure of very skillful observations. So far as hypotheses are concerned, let no one expect anything certain from astronomy, which cannot furnish it, lest he accept as the truth ideas conceived for another purpose, and depart from this study a greater fool than when he entered it. Farewell."

Declaration of the Polish Senate issued on 12th of June 2003.

"At the time of five hundred and thirtieth anniversary of the birth and four hundred sixtieth anniversary of the death of Mikołaj Kopernik, the Senate of the Republic of Poland expresses its highest respect and praise for this exceptional Pole, one of the greatest scientists in the history of the world. Mikołaj Kopernik, world-famous astronomer and author of the breakthrough work De revolutionibus orbium coelestium, is the one who "Held the Sun and moved the Earth". He distinguished himself for the country as exceptional mathematician, economist, lawyer, doctor and priest, as well as defender of the Olsztyn Castle during Polish-Teutonic war. May the memory of his achievements endure and be a source of inspiration for future generations."

Allgemeine Deutsche Biographie: ADB, published between 1875 and 1912, Seite 465

"The nationality question was a subject of different writings; an honouring controversy over the claim to the founder of our current world view is led between Poles and Germans, but it is already mentioned that over the nationality of parents of the Copernicus nothing sure could be determined; the father seems to be of Slavic birth, the mother to be a German; he was born in a city, whose municipal authorities and educated inhabitants were Germans, which however at present of his birth was under Polish rule; he studied in Krakau in the Polish capital, then in Italy and lived to his end in Frauenburg as a capitular; he wrote Latin and German. In the science he is a man, who does not belong to a nation, his working, his striving belongs to the whole world, and we do not honour the Pole, not the German, in Copernicus but the man of free spirit, the great astronomer, the father of the new astronomy, the author of the true world view."

Johannes Rau (at that time President of Germany) addresses the Polish people in 1999:

"Poles and Germans have a common history of great scientists: Today we no longer perceive Copernicus, Hevelius, Schopenhauer, and Fahrenheit as the property of one nation but as representatives of one transnational culture."

Grave

In August 2005, a team of archeologists led by Jerzy Gąssowski, head of an archaeology and anthropology institute in Pułtusk, discovered what they believe to be Copernicus' grave and remains, after scanning beneath the floor of Frombork Cathedral. The find came after a year of searching, and the discovery was announced only after further research, on November 3. Gąssowski said he was "almost 100 percent sure it is Copernicus".

Forensic expert Capt. Dariusz Zajdel of the Central Forensic Laboratory of the Polish Police used the skull to reconstruct a face that closely resembled the features — including a broken nose and a scar above the left eye — on a Copernicus self-portrait . The expert also determined that the skull had belonged to a man who had died about age 70 — Copernicus' age at the time of his death.

The grave was in poor condition, and not all the remains were found. The archeologists hoped to find deceased relatives of Copernicus in order to attempt DNA identification.

Nationality

Bust of Copernicus at Jordan Park, Kraków.

It remains to this day a matter of dispute whether Copernicus should be called German or Polish.

Copernicus' father, likewise named Nicolaus, might have had the surname Koppernigk, which could have been derived from a village in Silesia near Nysa (Neiße) which was called Köppernig until 1945, and is called Koperniki since. A Polish theory says that the original ending –nik in Copernicus' name indicates its Polish form, meaning a person who works with copper . The Polish modern word for copper is Miedź, though, while the German is Kupfer. However, "Kopernik" may as well refer to a Polish word "koper" which stands for a herb - fennel (Foeniculum vulgare)

In the title of his famous book, his name is written as "Nicolai Copernici Torinensis De Revolutionibus Orbium Coelestium, Libri VI", roughly meaning "Nicolaus' Copernicus' of Torin six books on ...". In the Template:Lang-de, each C was substituted with K to clarify pronunciation (not Z as in the German pronunciation of Cicero or Caesar). In Poland, Template:Lang-pl is used (or claimed to be his original name).

The father of Copernicus, possibly a Germanized Slav , had been a citizen of Cracow, but left the (then) capital of Poland in 1460 to move to Thorn/Toruń (German/Polish). That Hanseatic city was also part of the Prussian Confederation, which, some decades before Copernicus' birth, had tried to gain independence from the Teutonic Knights who had ruled the area for two hundred years, but imposed high taxes that were hindering economic development. This led to the Thirteen Years' War and the Second Treaty of Thorn of 1466: Thorn/Toruń and Prussia's western part, called "Royal Prussia", became connected to the Kingdom of Poland, which had supported the uprising, while the eastern part remained under the administration of the Teutonic Order, later to become "Ducal Prussia". Copernicus was born and has grown up in Thorn/Toruń, and was certainly fluent in the German language, while no direct evidence survives of the extent to which he knew the Polish language. His main language for written communication was Latin.

After his prolonged studies in Italy, Copernicus spent most of his working life as a cleric in Royal Prussia, which enjoyed substantial autonomy as part of the lands of the Polish Crown — it had its own Diet, monetary unit and treasury (which Copernicus famously helped to place on a sound footing) and army. Copernicus also oversaw the defense of Olsztyn/Allenstein at the head of Polish royal forces when the local castle was besieged by the forces of Albrecht I Hohenzollern von Brandenburg-Ansbach, the future (Protestant) Duke of Prussia. He became for the rest of his life a burgher of Prussian Ermland (Bishopric of Warmia), and was a loyal subject of the Catholic Prince-Bishops and the Catholic Polish king during the Protestant Reformation in which many parts of Germany, starting with Ducal Prussia, became Protestant.

In 1757 Copernicus's book was removed from the Index Librorum Prohibitorum, the list of books which were banned by the Catholic Church. Ever since, Poles claimed that Copernicus was a Pole and Germans that he was a German. Before that, when Copernicus and his ideas were rejected, it was contrariwise . A bust of Copernicus is enshrined since 1842 in the Walhalla, German Hall of Fame. In Nazi Germany attempts were made to claim that Copernicus was exclusively a German; however, after 1945 those attempts have greatly diminished. Despite the acknowledgement of his connections to Poland he is certainly not considered in Germany as Un-German or Non-German either. In 2003 he was declared eligible for the Unsere Besten ranking of outstanding Germans.

File:1000 zl a 1982.jpg

Polish banknote of 1982, with Copernicus identified, in Polish, as "MIKOŁAJ KOPERNIK."

In Poland, on the other hand, his 500th birthday was celebrated in 1973, emphasizing his Polishness. A banknote with an image of Copernicus was issued, and the Polish Senate called him on 12 June 2003 an "exceptional Pole".

Today he is often classified as Polish, in part based on the location of his birthplace in then and present-day Poland, though not only limited to that. It must be remembered though that during Copernicus' lifetime, nationality was yet to play as important a role as it would later, and people generally did not think of themselves primarily as Poles or Germans. In fact, Copernicus might have considered himself to be both at the same time.

Notes

Copernicus biography at ScienceWorld Koyré, A. The Astronomical Revolution: Copernicus-Kepler-Borelli. New York: Dover, 1973. ISBN 0-486-27095-5
Stuart Parkes, Understanding Contemporary Germany. ISBN 0-415-14123-0
Diemut Majer, Non-Germans Under the Third Reich: The Nazi Judicial and Administrative System in Germany and occupied Eastern Europe with special regard to occupied Poland, 1939-1945, . ISBN 0-8018-6493-3
Norman Davies, God's Playground: A History of Poland, . ISBN 0-231-05353-3.

References

Angus Armitage (1951). The World of Copernicus, New York: Mentor Books. ISBN 0-8464-0979-8.
Owen Gingerich (2004). The Book Nobody Read, Penguin Books. ISBN 0-14-303476-6.
David C. Goodman and Colin A. Russell, eds. (1991). The Rise of Scientific Europe, 1500-1800. Dunton Green, Sevenoaks, Kent: Hodder & Stoughton: The Open University. ISBN 0-340-55861-X.
Arthur Koestler - The Sleepwalkers (A History of Man's Changing Vision of the Universe)
Alexandre Koyré (1973) The Astronomical Revolution: Copernicus – Kepler – Borelli, Ithaca, NY: Cornell University Press. ISBN 0-8014-0504-1.
Thomas Kuhn (1957). The Copernican Revolution: Planetary Astronomy in the Development of Western Thought, Cambridge: Harvard University Press. ISBN 0-674-17100-4.