Thomas Crombie Schelling (born April 14, 1921) is an American economist and professor of foreign policy, national security, nuclear strategy, and arms control at the School of Public Policy at University of Maryland, College Park. He is also co-faculty at the New England Complex Systems Institute. He was awarded the 2005 Nobel Memorial Prize in Economic Sciences (shared with Robert Aumann) for "having enhanced our understanding of conflict and cooperation through game-theory analysis".
Schelling was born to John M. Schelling and Zelda M. Ayres in Oakland, California. Schelling graduated from San Diego High. He received his bachelor's degree in economics from the University of California, Berkeley in 1944. He received his PhD in economics from Harvard University in 1951.
He served with the Marshall Plan in Europe, the White House, and the Executive Office of the President from 1948 to 1953. He wrote most of his dissertation on national income behavior working at night while in Europe. He left government to join the economics faculty at Yale University, and in 1958 he was appointed Professor of Economics at Harvard. In 1969 he joined the John F. Kennedy School of Government at Harvard University.