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- Source of title proper: Title from content of the fonds.
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Physical description
2.2 m. of textual records
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Name of creator
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
Fonds consists of material relating to biology, zoology and conservation interests and activities of Dr. John D. Detwiler from to 1919-1965. Includes documentation of Ontario fish hatchery investigations and brook trout feeding experiments. Includes correspondence, manuscripts and typescripts by himself and others, offprints and reprints, teaching materials, newspaper clippings and glass slides.
Notes area
Physical condition
Immediate source of acquisition
Donated by the estate of Dr. John Detwiler Oct. 1970.
Arrangement
Arranged in 16 series:
- 1. Correspondence to and from J.D. Detwiler;
- 2. Associate Correspondence;
- 3. Conservation and Scientific Organizations and Conferences;
- 4. Manuscripts;
- 5. Typescripts;
- 6. Published Papers by John Detwiler;
- 7. Typescripts : Speeches, Article Drafts and Notes
- 8. Teaching and Miscellaneous Notes
- 9. Fish Hatchery Investigations
- 10. Manuscripts, Typescripts : Works on Conservation by Others;
- 11. Class Work Prepared by Dr. Detwiler's Students
- 12. Educational Materials;
- 13. Subject Files;
- 14. Offprints and Reprints;
- 15. Clippings;
- 16. Slides and Glass Plates
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Reprocessed December 2010, consisting primarily of adding date spans to folders, writing series and fonds descriptions, listing previously unlisted material and adding scope and content notes to some files. The existing order was left as is.