
Tim Cook is a Canadian military historian and author. Cook is an historian at the Canadian War Museum and the author of thirteen books about the military history of Canada during World War I. Having written extensively about World War I, Cook's focus shifted to Canada's involvement in World War II with the 2014 publication of the first volume in a two-volume series chronicling Canada's role in that war. He is a two-time recipient of the C.P. Stacey Prize, a two-time recipient of the J.W. Dafoe Book Prize, and a three-time winner of the Ottawa Book Prize. He was elected to the Royal Society of Canada in 2019. He is a member of the Order of Canada.

Ernest Alexander "E. A." Cruikshank, was a Canadian Brigadier General, a historian who specialized in military history and the first Chairman of the Historic Sites and Monuments Board of Canada.

Gwynne Dyer, OC is a London-based independent Canadian journalist, syndicated columnist and military historian.

Andrew Godefroy CD, M.A., Ph.D. is a Canadian strategic analyst and science and technology historian noted for his work in innovation studies, organizational design, space programs, and military history.

Bert "Yank" Levy was a Canadian soldier, socialist, military instructor and author/pamphleteer of one of the first manuals on guerrilla warfare, which was widely circulated with more than a half million published. He served with irregular forces in several parts of the world in the 1920s and 1930s, most notably in the Spanish Civil War, and was a significant figure at the Osterley Park training school for the British Home Guard during World War II. Similar combat training was provided to forces in the United States and Canada, and he was an itinerant lecturer and provocateur on the subject.

Margaret Olwen MacMillan is a Canadian historian and professor at the University of Oxford. She is former provost of Trinity College and professor of history at the University of Toronto and previously at Ryerson University. Macmillan is an expert on history and international relations.

Colonel Gerald William Lingen "Gerry" Nicholson,, was a British-Canadian soldier, historian, author, and teacher. From 1943 until his retirement in 1961, Nicholson served in the Historical Section, Canadian Army, where in 1959 he succeeded Colonel Charles Perry Stacey to become the section's second director. Nicholson authored numerous histories of Canada's military. He is best known for his 1962 book Canadian Expeditionary Force, 1914-1919, the only official history of Canada's participation in World War I.

Calvin Woodrow Ruck was an anti-racism activist and a member of the Senate of Canada. He was born in Sydney, Nova Scotia; his parents were immigrants to Canada from Barbados.