John Lewis Gaddis is an internationally renowned historian of the Cold War and has been called 'the dean of Cold War historians' by The New York Times. He is the Robert A. Lovett Professor of History at Yale University and the author of numerous books, including The United States and the Origins of the Cold War, 1941-1947, Strategies of Containment: A Critical Appraisal of Postwar American National Security Policy, We Now Know: Rethinking Cold War History, The Landscape of History and Surprise, Security and the American Experience. George F. Kennan, An American Life won the 2012 Pulitzer Prize for Biography. He is a 2005 winner of the US National Humanities Medal and lives in New Haven.