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  1. Nikolai Ivanovich Lobachevsky (Russian: Никола́й Ива́нович Лобаче́вский, IPA: [nʲikɐˈlaj ɪˈvanəvʲɪtɕ ləbɐˈtɕɛfskʲɪj] ⓘ; 1 December [O.S. 20 November] 1792 – 24 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 ...

  2. Nikolay Ivanovich Lobachevsky (born Dec. 1 [Nov. 20, Old Style], 1792, Nizhny Novgorod, Russia—died Feb. 24 [Feb. 12, Old Style], 1856, Kazan) was a Russian mathematician and founder of non-Euclidean geometry, which he developed independently of János Bolyai and Carl Gauss.

  3. Dec 1, 2011 · In 1807 Lobachevsky graduated from the Gymnasium and entered Kazan University as a free student. Kazan State University had been founded in 1804, the result of one of the many reforms of the emperor Alexander I, and it opened in the following year, only two years before Lobachevsky began his undergraduate career.

  4. Hyperbolic Bolyai-Lobachevskian geometry. Completely independent from Bolyai, in the distant provincial Russian city of Kazan, Nikolai Ivanovich Lobachevsky had also been working, along very similar lines as Bolyai, to develop a geometry in which Euclid ’s fifth postulate did not apply. His work on hyperbolic geometry was first reported in ...

  5. May 17, 2018 · LOBACHEVSKY, NIKOLAI IVANOVICH. (1792 – 1856), mathematician; creator of the first non-Euclidean geometry. Nikolai Lobachevsky was born in Nizhny Novgorod to the family of a minor government official. In 1809 he enrolled in Kazan University, selecting mathematics as his major field. From Martin Bartels and Franz Bronner, German immigrant ...

  6. Nikolay Lobachevsky, (born, Dec. 1, 1792, Nizhny Novgorod, Russia—died Feb. 24, 1856, Kazan), Russian mathematician. His entire life centred around the University of Kazan, where he studied and later (from 1816) taught. In 1829 he published his groundbreaking theory, a geometry that rejected Euclid ’s parallel postulate.

  7. Feb 24, 2021 · Nikolai Lobachevsky (1792-1856) On February 24, 1856, Russian mathematician and geometer Nikolai Ivanovich Lobachevsky passed away. He is known primarily for his work on hyperbolic geometry. Lobachevsky’s main achievement is the development (independently from János Bolyai) of a non-Euclidean geometry, also referred to as Lobachevskian geometry.

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