Captain Arthur W. Gullachsen is the author of three previous books, as well as being a Fellow of the Royal Historical Society and a professor in the RMC History Department at the Royal Military College of Canada in Kingston, Ontario. After joining the Canadian Armed Forces (CAF) in late 2006, he gained acceptance into the PhD program in history at Western University in London, Ontario, graduating in 2016. A Second World War specialist, Captain Gullachsen's areas of expertise include the study of the replacement of equipment and personnel losses as well as German armored forces during the late war period. He is also interested in twentieth-century airpower and seapower. He recently published Bloody Verrières, Volumes I and II with Casemate Publishers (2022 and 2023).