Born: 31 May 1911, Paris, France
Died: 9 October 2010, Paris, France
Affiliation at the time of the award: École Nationale Supérieur des Mines de Paris, Paris, France
Prize motivation: "for his pioneering contributions to the theory of markets and efficient utilization of resources"
Field: partial and general equilibrium theory
Contribution: Provided increasingly rigorous mathematical formulations of market equilibrium and the efficiency properties of markets.
Prize share: 1/1