Quote of the day
Lovely weather so far. I don't know how long it will last, but I'm not afraid of storms, for I'm learning how to sail my ship.
Nikolai Ivanovich Lobachevsky
Born: December 1, 1792
Died: February 24, 1856 (aged 63)
Bio: Nikolai Ivanovich Lobachevsky was a Russian mathematician and geometer, known primarily for his work on hyperbolic geometry, otherwise known as Lobachevskian geometry.








