McNaughton, Andrew George Latta, << muhk NAW tuhn, AN droo jawrj LAT uh >> (1887-1966), was a noted Canadian soldier of World Wars I and II. He took command of the First Canadian Division at the outbreak of World War II in 1939. He commanded the Canadian Corps from 1940 to 1942 and the Canadian Army in 1942 and 1943. In 1944, McNaughton served as defense minister under Prime Minister Mackenzie King. He was chairman of the Canadian sections of the Canada-United States Permanent Joint Board on Defense from 1945 to 1962 and of the International Joint Commission from 1950 to 1962 (see International Joint Commission ).
McNaughton served as a gunnery officer in World War I (1914-1918) and became a brigadier general in 1918. He was credited with developing techniques for locating enemy artillery so that it could be disabled. He was also the co-inventor of a cathode-ray direction finder used in airplanes. From 1935 to 1939, he served as chairman of the Canadian National Research Council. McNaughton was born on Feb. 25, 1887, in Moosomin, Saskatchewan, on Feb. 25, 1887. He died on July 11, 1966.