# Andrey Kolmogorov

From Conservapedia

**Andrey Nikolaevich Kolmogorov** (1903 - 1987) was a Russian mathematician, who made countless important contributions to various fields of mathematics. His *Foundations of Probability Theory* (first published 1926 in German as *Grundlagen der Wahrscheinlichkeitstheorie*) are the groundwork of modern probability theory, using the concept of measurable spaces.