2018年6月8日 · Léon Walras (1834-1910), whose full name was Marie Esprit Léon Walras (the final “s” is sounded), is celebrated among economists and econometricians as the first to have formulated a multiequational general equilibrium model of economic relationships. He was born on December 16, 1834, in Évreux, a provincial town of Normandy, France.