Nikolai Lobachevsky

Russian mathematician / From Wikipedia, the free encyclopedia

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Nikolai Ivanovich Lobachevsky (Russian: Никола́й Ива́нович Лобаче́вский, IPA: [nʲikɐˈlaj ɪˈvanəvʲɪtɕ ləbɐˈtɕɛfskʲɪj] (Loudspeaker.svglisten); 1 December [O.S. 20 November] 179224 February [O.S. 12 February] 1856) was a Russian mathematician and geometer, known primarily for his work on hyperbolic geometry, otherwise known as Lobachevskian geometry, and also for his fundamental study on Dirichlet integrals, known as the Lobachevsky integral formula.

Quick facts: Nikolai Lobachevsky, Born, Died, Education, K...
Nikolai Lobachevsky
Никола́й Лобаче́вский
Lobachevsky_03_crop.jpg
Portrait by Lev Kryukov [ru], c.1839
Born1 December 1792[1][2]
Makaryev, Makaryevsky uezd, Nizhny Novgorod Governorate,[3][4] Russian Empire (now Makaryevo, Nizhny Novgorod Oblast, Russia)
Died24 February 1856 (1856-02-25) (aged 63)
Kazan, Kazan Governorate, Russian Empire (now Tatarstan, Russia)
EducationKazan University (MSc, 1811)
Known forLobachevskian geometry
Scientific career
FieldsGeometry
Academic advisorsJ. C. M. Bartels[5][6]
Notable studentsNikolai Brashman[5]
Signature
Nikolay_Lobachevsky_signature.jpg
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William Kingdon Clifford called Lobachevsky the "Copernicus of Geometry" due to the revolutionary character of his work.[7][8]