Gérard Debreu, French economist and mathematician, Nobel Prize laureate (b. 1921)

Gérard Debreu (French: [dəbʁø]; 4 July 1921 – 31 December 2004) was a French-born economist and mathematician. 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 Economic Sciences.