Jochen Böhler is a Research Associate at the Imre Kertesz Kolleg in Jena, where he teaches courses on the history of early twentieth-century Central and Eastern Europe. His recent major publications include: War, Pacification, and Mass Murder, 1939: The Einsatzgruppen in Poland (2014, with Jurgen Matthäus and Klaus-Michael Mallmann) SS-Oberscharführer Hermann Baltruschat's Career 1939-1943 (2014, with Jacek Sawicki) and Legacies of Violence: Eastern Europe's First World War (2014, with Joachim von Puttkamer and W?odzimierz Borodziej). He is also currently preparing a monograph on Embattled Poland 1918-1921 for Oxford University Press.
Robert Gerwarth is Professor of Modern History at University College Dublin and Director of the Centre for War Studies. He is the author of The Bismarck Myth (2005) and a biography of Reinhard Heydrich (2011). His third monograph, The Vanquished: Why the First World War Failed to End will be published in late 2016. He has also published ten edited collections, including, most recently, War in Peace: Paramilitary Violence in Europe after the Great War (2012, with John Horne) and Empires at War, 1911-1923 (2014, with Erez Manela).