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.
2 quotes found
"There is no branch of mathematics, however abstract, which may not some day be applied to phenomena of the real world."
"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."