Nikolai Ivanovich Lobachevsky is the first mathematician to publicly publish a system of non-Euclidean geometry. Although Karl Friedrich Gauss preceded him in the late 18th century and János Bolyai had devised a similar (though less analytical)...

1792-1856 Russian Mathematician The Russian mathematician Nikolai Lobachevsky, along with the Hungarian Janos Bolyai (1802-1860), is considered to be the founder of non-Euclidean geometry. Neither man's contribution was fully recognized until...

BUKHARIN REDUX The formal exoneration of Nikolai Ivanovich Bukharin by the Soviet Supreme Court on February 4, fifty years after his execution as an "enemy of the people," is dramatic reaffirmation of the radical anti-Stalinist nature of Mikhail Gorbachev's proposed reforms, or...

Influential American choreographer and teacher Known as the "wizard" of dance, Alwin Nikolais (1910-1993) was a multi-talented multimedia pioneer who, over the course of 55 years, choreographed everything from dance, opera and site-specific pieces to work for film and worldwide television. While he...