Geoff Eley is Karl Pohrt Distinguished University Professor of Contemporary History and Professor of German Studies at the University of Michigan, USA. He is the author of Forging Democracy: The History of the Left in Europe, 1850-2000 (2002), A Crooked Line: From Cultural History to the History of Society (2005) and Nazism as Fascism: Violence, Ideology, and the Ground of Consent in Germany, 1930-1945 (2013).Jennifer L. Jenkins is Associate Professor of German and European History at the University of Toronto, Canada, where she holds a Canada Research Chair in Modern German History. She is the author of Provincial Modernity: Local Culture and Liberal Politics in Fin-de-Siècle Hamburg (2003), as well as a number of articles on German culture and politics.Tracie Matysik is Associate Professor of History at the University of Texas at Austin, USA. She is the author of Reforming the Moral Subject: Ethics and Sexuality in Central Europe, 1890-1930 (2008).