Ian Kershaw is Professor of History at the University of Sheffield. His publications include Popular Opinion and Political Dissent in the Third Reich: Bavaria 1933-45 (OUP, 1983); (ed.), Weimar: Why did German Democracy Fail? (Weidenfeld, 1990); Hitler: A Profile in Power (Longman, 1991); The Nazi Dictatorship: Problems and Perspectives of Interpretation (Edward Arnold, 3rd edn, 1993); (ed., with Moshe Lewin), Stalinism and Nazism: Dictatorships in Comparison (Cambridge U. P., 1997); Hitler, 1889-1936: Hubris (Penguin, 1998). His focus includes numerous aspects of German history in the periods of the Weimar Republic, the Third Reich, and the postwar era. His research interests extend to include numerous aspects of German history in the periods of the Weimar Republic, the Third Reich, and the postwar era.