Kolmogorov, Andrey Nikolayevich

Andrey Nikolayevich Kolmogorov, (born April 25 [April 12, Old Style], 1903, Tambov, Russia—died Oct. 20, 1987, Moscow), Russian mathematician whose work influenced many branches of modern mathematics, especially harmonic analysis, probability, set theory, information theory, and number theory. A man of broad culture, with interests in technology, history, and education, he played an active role in the reform of education in the Soviet Union. He is best remembered for a brilliant series of papers on the theory of probability.