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Biographical history
Dr. John D. Detwiler was an educator born in Roseville, Ontario on 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.
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.
Detwiler married Hughena Mackenzie Campbell on July 12, 1919. After his retirement he lived in Ayr, Ont. where he died on Aug. 30, 1966.
Custodial history
Scope and content
File consists of ephemera, ms. notes relating to the following organizations:
Canadian Institute of International Affairs; John Hopkins University Annual Report 1942-43; Report on Community Planning and Development Committee (London & district); Conservation in Quebec; Middlesex County Campaign Committee Agenda; Ontario Society of Biologists; Natural Resources Conference; Annual Conference of International Corn Borer Organization; National Conference of Canadian Universities; Conference on Conservation, Nutrition, and Human Health; Northern Ontario Tourist Trade Association; Soil Committee; Society of the Sigma XI, Cornell Chapter; Wildlife Society; Ontario Associated Boards of Trade and Chamber of Commerce; McIlwraith Ornithological Club; Quetico-Superior Council; Entomological Society of Ontario; Ontario Health Officers Association; Federation of Ontario Natrualists; Forest Preserve Institute; Community Forest Society; Friends of the Land; Engineering Institute of Canada; London Council for Adult Education; Soil Conservation Association of America; American Association of Economic Entomologists; Canadian Society of Technical Agriculturists; Ontario Provincial Convention; National Wildlife Federation.