About Robert Engen Robert Engen is a doctoral candidate in military history at Queen's University, Kingston, and has worked as a researcher for the Canadian Forces Directorate of Land Concepts and Designs. Books by Robert Engen Strangers in Arms Combat Motivation in the Canadian Army, 1943-1945 by (author) Robert Engen Canadians Under Fire Infantry Effectiveness in the Second World War by (author) Robert Engen