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Hagen, Johannes Georg

(Encyclopedia)Hagen, Johannes Georg yōhäˈnəs gāˈôrk häˈgən [key], 1847–1930, American astronomer and mathematician, b. Austria. A Jesuit, he came in 1880 to the United States to teach. In 1888 he was ma...

Galois, Évariste

(Encyclopedia)Galois, Évariste āvärēstˈ gälwäˈ [key], 1811–32, French mathematician. At the age of 17 he had evolved original concepts on the theory of algebra. He made important contributions to the theo...

Minkowski, Hermann

(Encyclopedia)Minkowski, Hermann hĕrˈmän mĭnkôfˈskē [key], 1864–1909, Russian mathematician. He was educated in Germany and was professor at the Univ. of Königsberg (1894–96), the Federal Institute of T...

Loomis, Elias

(Encyclopedia)Loomis, Elias, 1811–89, American physicist and mathematician, b. Willington, Conn., grad. Yale, 1830. He taught at Western Reserve (1837–44), at New York Univ. (1844–47, 1849–60), and at Yale ...

Nunes, Pedro

(Encyclopedia)Nunes, Pedro pĕˈdro͝o no͞oˈnəsh [key], Lat. Petrus Nonius, 1502–1578, Portuguese mathematician, geographer, and writer on navigation and geometry. He was the first (1534) to demonstrate an ins...

Peirce, Benjamin

(Encyclopedia)Peirce, Benjamin, 1809–80, American mathematician and astronomer, b. Salem, Mass., grad. Harvard, 1829. From 1833 he was a professor at Harvard; he helped establish the Harvard Observatory and was a...

Levi-Civita, Tullio

(Encyclopedia)Levi-Civita, Tullio to͞olˈlyō lāˈvē-chēˈvētä [key], 1873–1942, Italian mathematician. He taught at the universities of Padua (1898–1919) and Rome (1919–38) and was noted for his resear...

Taylor, Brook

(Encyclopedia)Taylor, Brook, 1685–1731, English mathematician. He originated Taylor's theorem, a formula important in differential calculus, which relates a function to its derivatives by means of a power series....

Ramanujan, Srinivasa

(Encyclopedia)Ramanujan, Srinivasa shrēˌnĭväˈsə rämäˈno͝ojən [key], 1889–1920, Indian mathematician. He was a self-taught genius in pure mathematics who made original contributions to function theory, ...

Stokes, Sir George Gabriel

(Encyclopedia)Stokes, Sir George Gabriel, 1819–1903, British mathematician and physicist, b. Ireland, studied at Cambridge. From 1849 he was a professor of mathematics at Cambridge; he served as secretary (1854�...