Nikolai Ivanovich Lobachevsky

Nikolai Ivanovich Lobachevsky

Born: December 1, 1792

Died: February 24, 1856

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Biography: Nikolai Ivanovich Lobachevsky was a Russian mathematician and geometer, renowned primarily for his pioneering works on hyperbolic geometry, otherwise known as Lobachevskian geometry. William Kingdon Clifford called Lobachevsky the Copernicus of Geometry due to the revolutionary character of his work.

Source/Notes: The Foundations of Geometry and the Non-Euclidean Plane by George Edward Martin (1982) p.225