• Born date: 1921-07-04
  • Born in: Calais
  • Death date: 2004-12-31
  • Death in: Paris
Gérard Debreu

Gérard Debreu (French: [dəbʁø]; July 4, 1921 – December 31, 2004) was a French economist and mathematician, who also came to have United States citizenship. Best known as a professor of economics at the University of California, Berkeley, where he began work in 1962, he won the 1983 Nobel Memorial Prize in Economics.