Fonds MG 64 - I.W. Tweddell fonds

Title and statement of responsibility area

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I.W. Tweddell fonds

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Reference code

MG 64

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Issuing jurisdiction and denomination (philatelic)

Dates of creation area


  • 1952-1975 (inclusive) ; 1965-1974 (predominant) (Creation)

Physical description area

Physical description

1.22 m textual records
graphic material

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Archival description area

Name of creator


Biographical history

Ian William Tweddell was born on 12 January 1917 in County Durham, England. He emigrated to Canada with his parents in 1921, settling near Lashburn, Saskatchewan. Tweddell was educated in Lashburn and Prince Albert, prior to enrolling at the University of Saskatchewan, where he received a BSc in Civil Engineering (1948). He went on to the University of Manitoba, earning an MSc in Community Planning. He served in the RCAF and RAF from 1941 to 1945, and was a prisoner of war in Germany from 1942 to 1945. Tweddell worked as a surveyor, throughout Saskatchewan, Northwest Territories and Yukon. He joined the faculty of Civil Engineering at the University of Saskatchewan in 1957 as a Lecturer, and was promoted to Assistant Professor in 1962. Tweddell remained with the College of Engineering until his sudden death on 23 June 1975.

Custodial history

Scope and content

This collection contains considerable material relating to aviation history, particularly in western and northern Canada, including material on: the Keng Wah Aviation School for Nationalist Chinese pilots; the RCAF; illustrations of the technology of flight; reference material; and microfilms of the Hudson Strait Expedition fonds (1927-1928) and "The Bulletin" (Western Canada Airways, 1929-1937). Additionally, there is material on Tweddell's other research interests, notably aerial mapping and surveying.

Notes area

Physical condition

Immediate source of acquisition


The fonds has been arranged into six series:
A. Correspondence
B. Lecture Notes
C. Field Notes
D. Class Assignments
E. Research Files and Reports
F. Published Material

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Associated materials

Related material: See also Alumni files, Faculty Biographies and Faculty Publications.

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