Nikolai Ivanovich Lobachevsky

thumb|right|Nikolai Lobachevsky Nikolai Ivanovich Lobachevsky (Никола́й Ива́нович Лобаче́вский) (December 1, 1792 – February 24, 1856, N.S.; November 20, 1792 – February 12, 1856, O.S.) was a Russian mathematician. Quotes 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 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. John Littlewood, Littlewood's Miscellany, p. 193. External links Category:Mathematicians from Russia Category:1856 deaths