Pat Billingsley

Actor

Date of birth : 05/03/1925

Date of death : 04/22/2011

City of birth : Sioux Falls, South Dakota, USA

He was a mathematician whose research was mainly devoted to Probability Theory. His book entitled "Probability and Measure" is considered as a classic reference in Probability. In 1958 he became a professor of Mathematics and Statistics at the University of Chicago and retired in 1994. More details can be found at the Wikipedia.