Nikolaĭ Ivanovich Lobachevskiĭ
Russian mathematician and geometer
Nikolai Ivanovich Lobachevsky 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... Wikipedia
Born: December 1, 1792, Nizhny Novgorod, Russia
Died: February 24, 1856 (age 63 years), Kazan, Russia
Spouse: Varvara Alexeyevna Moiseyeva (m. 1832–1856)
Known for: Lobachevskian geometry
Education: Kazan Federal University (1807–1811) and Kazan Gymnasium
Children: Aleksey Lobachevsky, Varvara Lobachevskaya, Nikolay Lobachevsky, and more
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