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Luther P. Eisenhart
c.1933
Born	Luther Pfahler Eisenhart (1876-01-13)13 January 1876 York, Pennsylvania, US
Died	28 October 1965(1965-10-28) (aged 89) Princeton, New Jersey, US
Nationality	American
Alma mater	Johns Hopkins University
Scientific career
Fields	Mathematics
Institutions	Princeton University
Dean of Princeton University Graduate School
In office 1933–1945
Preceded by	Augustus Trowbridge
Succeeded by	Hugh Stott Taylor

Luther Pfahler Eisenhart (13 January 1876 – 28 October 1965) was an American mathematician, best known today for his contributions to semi-Riemannian geometry.

Life

Eisenhart was born in York, Pennsylvania, and graduated from Gettysburg College in 1896. He earned his doctorate in 1900 at Johns Hopkins University, where he was influenced (at long range) by the work of Gaston Darboux and at shorter range by that of Thomas Craig. During the next two decades, Eisenhart's research focused on moving frames after the French school, but around 1921 took a different turn when he became enamored of the mathematical challenges and entrancing beauty of a new theory of gravitation, Albert Einstein's general theory of relativity.

Eisenhart played a central role in American mathematics in the early twentieth century. He served as chairman of the mathematics department at Princeton University and later as Dean of the Graduate School there from 1933 to 1945. He is widely credited with guiding the development in America of the mathematical background needed for the further development of general relativity, through his influential textbooks and his personal interaction with Albert Einstein, Oswald Veblen, and John von Neumann at the nearby Institute for Advanced Study, as well as with gifted students such as Abraham Haskel Taub.

In the early 40s he chaired the "Reference Committee", formed in June 1940 for editors of scientific journals to send the papers submitted to them, in order to check that the papers did not contain results (especially regarding nuclear physics) whose public knowledge could be detrimental to the US war efforts.

Eisenhart was an elected member of both the American Philosophical Society and the United States National Academy of Sciences.

Publications

• Eisenhart, Luther Pfahler (1923). Transformations of Surfaces. Princeton: Princeton University Press. LCCN 62011699.
• Eisenhart, Luther Pfahler (1933). Continuous Groups of Transformations. Princeton: Princeton University Press. LCCN 61003361/L.
• Eisenhart, Luther Pfahler (1926). Riemannian Geometry (PDF). Princeton: Princeton University Press. OCLC 5836010.
• Eisenhart, Luther Pfahler (1939). Coordinate Geometry. Dover Publishing.
• Eisenhart, Luther Pfahler (1927). Non-Riemannian geometry (PDF). New York: American Mathematical Society.
• Eisenhart, Luther Pfahler (1909). A treatise on the differential geometry of curves and surfaces. Boston: Ginn and Company.

Notes

1. "History". Princeton University Graduate School. Retrieved July 17, 2021.
2. Henry De Wolf Smyth, Atomic Energy for Military Purposes (The Smyth Report)
3. "APS Member History". search.amphilsoc.org. Retrieved November 14, 2023.
4. "Luther Eisenhart". www.nasonline.org. Retrieved November 14, 2023.
5. Graustein, W. C. (1924). "Review: Transformations of Surfaces, by L. P. Eisenhart". Bull. Amer. Math. Soc. 30 (8): 454–460. doi:10.1090/s0002-9904-1924-03949-4.
6. Wintner, Aurel (1934). "Eisenhart on Continuous Groups". Bull. Amer. Math. Soc. 40 (5): 366–368. doi:10.1090/s0002-9904-1934-05836-1.
7. Hedlund, Gustav A. (1942). "Review: An Introduction to Differential Geometry with Use of the Tensor Calculus, by L. P. Eisenhart". Bull. Amer. Math. Soc. 48 (1): 18–20. doi:10.1090/s0002-9904-1942-07607-5.
8. Thomas, J. M. (1929). "Review: Non-Riemannian Geometry, by L. P. Eisenhart". Bull. Amer. Math. Soc. 35 (2): 264–267. doi:10.1090/s0002-9904-1929-04723-2.
9. Bliss, Gilbert Ames (1911). "Review: A Treatise on the Differential Geometry of Curves and Surfaces, by L. P. Eisenhart". Bull. Amer. Math. Soc. 17 (9): 470–478. doi:10.1090/s0002-9904-1911-02104-8.

External links

• O'Connor, John J.; Robertson, Edmund F., "Luther P. Eisenhart", MacTutor History of Mathematics Archive, University of St Andrews
• Luther P. Eisenhart at the Mathematics Genealogy Project
• National Academy of Sciences Biographical Memoir

• 1876 births
• 1965 deaths
• People from York, Pennsylvania
• Differential geometers
• 20th-century American mathematicians
• Gettysburg College alumni
• Princeton University faculty
• Presidents of the American Mathematical Society
• Johns Hopkins University alumni
• Mathematicians from Pennsylvania
• Members of the American Philosophical Society