William Drummond Matheson

Captain William Drummond Matheson MC was a Canadian World War I flying ace credited with five aerial victories.
Sergeant Matheson was promoted to temporary 2nd lieutenant (on probation) on 12 November 1916.
His citation for the Military Cross, published in the "Supplement to the London Gazette", states:
List of aerial victories.
See also Aerial victory standards of World War I.