# Kolmogorov, Andrey Nikolayevich[kol**mo**gorof](1903--87) Mathematician, born in Tambov, Russia. He studied at Moscow University, where he became professor in 1931. He worked on the theory of functions of a real variable, functional analysis, mathematical logic, and topology. He also worked in applied mathematics on the theory of turbulence, information theory, and cybernetics. He is particularly remembered for his creation of the axiomatic theory of probability in his book *Grundbegriffe der Wahrscheinlichkeitsrechnung* (1933, Foundations of the Theory of Probability), and for his work with Alexander Khinchin on Markov processes. |