Kolmogorov, Andrei Nikolaevich (1903-1987)

Worked on trigonometric series, set theory, integration analysis, constructive logic, topology, approximation methods, probability, statistics, random processes, information theory, dynamical systems, algorithms, celestial mechanics, Hilbert's 13th problem, and ballistics. Also, studied and applications of mathematics to problems of biology, geology, linguistics and the crystallization of metals. Born and lived in Russia.