Dr Russell A. Hart is Professor of History and Director of the Diplomacy and Military Studies Program at Hawai'i Pacific University, Honolulu, Hawai’i. He is the author of Clash of Arms (2001) and Guderian: Panzer Pioneer or Mythmaker? (2006). He has co-authored nine additional books, including three Osprey titles: The Second World War, Part Six: Northwest Europe, 1944-1945 (2002); The Second World War: A World in Flames (2004) and The Second World War (2018). He lives in Kailua, Oahu, Hawaii.