Eugene Fama

Eugene Francis "Gene" Fama (; born February 14, 1939) is an American economist. He is best known for his empirical work on portfolio theory, asset pricing, and the efficient-market hypothesis.
He is Robert R. McCormick Distinguished Service Professor of Finance at the University of Chicago Booth School of Business. 
In 2013, he shared the Nobel Memorial Prize in Economic Sciences jointly with Robert J. Shiller and Lars Peter Hansen.