Сегодня родился Лобачевский Николай Иванович
On December 1, 1792 Lobachevsky Nikolay Ivanovich was born. This is a Russian mathematician, one of founders of non-Euclidean geometry, a figure of university education and national education. Lobachevsky within 40 years taught at the Kazan university, including 19 years directed it as a rector. His activity and skillful management brought the university in number of the advanced Russian educational institutions. In different years he published some substantial articles on algebra, probability theory, mechanics, physics, astronomy and problems of education. In honor of Lobachevsky the crater on a reverse side of the Moon was called.