John Lewis Gaddis is the Robert A. Lovett Professor of History at Yale University and was the founding director of the Brady- Johnson Program in Grand Strategy. His previous books include The United States and the Origins of the Cold War; Strategies of Containment; The Landscape of History; Surprise, Security, and the American Experience; and The Cold War. The New York Times calls him 'the dean of Cold War historians'. He has won two undergraduate teaching awards at Yale and was a 2005 recipient of the National Humanities Medal. His George F. Kennan: An American Life won the 2012 Pulitzer Prize in Biography.