Robert Gerwarth is the author and editor of several books on the history of violence, including a biography of Reinhard Heydrich (with Donald Bloxham, 2011), Political Violence in Twentieth-Century Europe (2011); and War in Peace: Paramilitary Violence after the Great War (with John Horne, 2012).
Erez Manela directs the Program on Global Society and Security at Harvard University. He is the author of The Wilsonian Moment: Self-Determination and the International Origins of Anticolonial Nationalism (2007) and co-editor of The Shock of the Global: The 1970s in Perspective (2010). He is currently completing a book on the global eradication of smallpox in the Cold War era.