John Lewis Gaddis is the Robert A. Lovett Professor of History at Yale University. His previous books include The United States and the Origins of the Cold War; Strategies of Containment; The Long Peace; We Now Know; The Landscape of History; Surprise, Security, and the American Experience; and The Cold War: A New History. He teaches courses on Cold War history, grand strategy, international studies, and biography and has won two Yale undergraduate teaching awards. He was also a 2005 recipient of the National Humanities Medal.