Jack Armstrong
John (Jack) Archibald Armstrong, OC, business executive, geologist, engineer (born 24 March 1917 in Dauphin, Manitoba; died 26 December 2010 in Nanaimo, BC). Armstrong graduated from the University of Manitoba and worked four decades for Imperial Oil, Canada’s largest oil company. He served as its CEO (1973–81) and chairman (1974–81) before retiring 1982.