science · 20 November 1892 · 132 years ago
birth
Born 20 Nov 1892; died 19 Jun 1965 at age 72.
Canadian biochemist co-discovered insulin. He worked with Frederick Banting and Charles Best to refine a method of removing and purifying insulin. Working with the bovine pancreas, Collip produced insulin in a form which permitted clinical use. Together with his other contributions in endocrinology, including his isolation of the parathyroid hormone and establishing a bioassay for measuring serum calcium. He stands as a major figure in Canadian medical history.
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