Term of Office: 1 August 1953 – 15 January 1960
Born: Perthshire, Scotland, 25 December 1882
Died: Winnipeg, 7 June 1965
- Came to Canada in 1887, spending his early years on a farm near Portage la Prairie.
- Established himself as a lumber merchant, forming McDiarmid Lumber Company.
- Alderman for the City of Winnipeg 1925.
- Liberal Member of Parliament for Winnipeg South 1926-30.
- Member of the Manitoba Legislature 1932-53.
- Provincial Secretary 1939.
- Provincial Minister of Mines and Natural Resources 1932-52.
- Developed new mining industries during the Depression, established conservation measures to revive the fur trade, and promoted tourism and recreation within Manitoba.