István Deák is the Seth Low Professor, Emeritus, of History in the Department of History at Columbia University. He received his M.A. and Ph.D. from Columbia University. He was the chairman of the American Association for the Study of Hungarian History in 1980 and the Director of the Institute on East Central Europe at Columbia University between 1967 and 1980. His research concerns nineteenth and twentieth century Europe, specifically collaboration, resistance, and retribution in Europe during and after World War II. He is the author of numerous articles, research notes, reviews, and books, including Weimar Germany’s Left-Wing Intellectuals: A Political History of the Weltbühne and Its Circle and Beyond Nationalism: A Social and Political History of the Habsburg Officer Corps, 1848-1918.