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Dates of creation area
- Detwiler, John D.
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Name of creator
Dr. John D. Detwiler was born in Roseville, Ont. July 21, 1878. He was educated at Galt Collegiate Institute, Queens University and the University of Western Ontario. He was a teacher in public and high schools, and became an instructor of entomology and rural education at Cornell University, 1918-1921. At the University of Western Ontario he was assistant professor of zoology 1921-1925, associate professor 1925-1929, professor of applied biology 1929-1946, head of the Department of Applied Biology 1946-1949. He retired in 1949.
John D. Detwiler also acted for a number of years as an investigator for the Biological Board of Canada, the Dept. of Mines and Fisheries, and the Dept. of Game and Fisheries. He served as President of the Canadian Conservation Association 1940-1951.
He married Hughena Mackenzie Campbell on July 12, 1919. After his retirement he lived in Ayr, Ont. where he died on Aug. 30, 1966.
Scope and content
File consists of plans and drawings of fish collecting systems for two dams in Oregon: Bonneville Dam and McNary Dam.
Immediate source of acquisition
Publications removed for cataloguing.