S. P. MacKenzie, is a military historian, author and retired academic, currently resident in Canada. He was educated at the University of Toronto and received a DPhil from the University of Oxford. He was co-winner of the Templer Medal, awarded by the Society for Army Historical Research ("for the book which in the Society's view has made the greatest contribution to the study of British military history") for his first book, Politics and Military Morale: Current-Affairs and Citizenship Education in the British Army 1914–1950.