Vladimir Voevodsky, Russian-American mathematician (born 1966)

Vladimir Alexandrovich Voevodsky was a Russian-American mathematician. His work in developing a homotopy theory for algebraic varieties and formulating motivic cohomology led to the award of a Fields Medal in 2002. He is also known for the proof of the Milnor conjecture and motivic Bloch–Kato conjectures and for the univalent foundations of mathematics and homotopy type theory.

September 30 is the 273rd day of the year in the Gregorian calendar; 92 days remain until the end of the year.