Grigory Aleksandrovich Margulis (Russian: Григо́рий Алекса́ндрович Маргу́лис, first name often given as Gregory, Grigori or Gregori; born February 24, 1946) is a Russian-American mathematician. He was born in Moscow. Margulis was known for his work on lattices in Lie groups, and the creation of methods from ergodic theory into diophantine approximation.
- "Yale's Margulis Wins 2005 Wolf Prize for Mathematics". Yale University Office of Public Affairs. 2005-02-23.