How was Milton Friedman awarded the Noble Prize in Economics?

Name: Milton Friedman.
Country: United States.
Date of Birth: 31 July 1912.
Died: 16 November 2001.
Education: BA from Rutgers University, MA from University of Chicago, and Ph.D. from Columbia University.
Subjects Of Study: Money guaranteed minimum income.
Founder: Monetarism.
Notable Works: A Monetary History of the United States 1867–1960.
Noble Prize Year: Nobel Prize for Peace in 1976, for his research on consumption analysis, monetary history, and theory, and the complexity of stabilization policy.