Colonel S.W. “Syd” Thomson, D.S.O., M.C., CD., joined the Rocky Mountain Rangers in the 1930s transferring to the Seaforth Highlanders at the outbreak of war. Wounded in Sicily, he returned to serve as Company Commander, Second-in-Command and Commanding Officer of the battalion. In October 1944 he was promoted to Acting Colonel and sent to England to command an infantry training unit at Aldershot.
In April 1945 he reverted to Lieutenant-Colonel to take command of the Black Watch. Colonel Thomson volunteered for the Pacific Force and remained in the Army until 1946. He rejoined the forces to serve with the United Nations Military Observers Group in Pakistan.
Thomson, S.W. "Letter from Kashmir." Canadian Military History 2, 1 (1993)