Dennis Showalter is Professor of History at Colorado College, USA. He is the author of several books, including Armor and Blood: The Battle of Kursk, The Turning Point of World War II (2013), Patton and Rommel: Men Of War in the Twentieth Century (2005) and Tannenberg: Clash of Empires 1914 (1991), which won the American Historical Association's Paul M. Birdsall Prize. He is the Founding Editor of the War in History journal and Editor-in-Chief of Oxford Bibliographies Online: Military History. Professor Showalter was also President of the Society for Military History between 1997 and 2000.