Nikolai Ivanovich Lobachevsky

Russian mathematician (1792–1856)

Nikolai Ivanovich Lobachevsky (Никола́й Ива́нович Лобаче́вский) (December 1, 1792February 24, 1856, N.S.; November 20, 1792 – February 12, 1856, O.S.) was a Russian mathematician.

Nikolai Lobachevsky

Quotes

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  • There is no branch of mathematics, however abstract, which may not some day be applied to phenomena of the real world.
    • As quoted in George Edward Martin, The Foundations of Geometry and the Non-Euclidean Plane, Springer (1998 [1975]), p. 225; also in Stanley Gudder, A Mathematical Journey, McGraw-Hill (1976), p. 36.

Quotes about him

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  • Lobachevski had to teach Geometry; and began by an intensive critical study of Euclid, acting as devil's advocate. This approach to the anomalous parallel axiom resulted in his non-Euclidean Geometry.
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