John James Rickard Macleod

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The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Macleod, John James Rickard


Born Sept. 6, 1876, in Cluny, Perth, Scotland; died Mar. 16, 1935, in Aberdeen. British physiologist.

Macleod studied at Marischal College in Aberdeen and the University of Leipzig. From 1903 to 1918 he worked in the USA; from 1918 he was professor of physiology at the University of Toronto (Canada). He studied the functions of the respiratory center of the brain, experimental glycosuria, the formation of lactic acid, and the sugar content in the blood. Together with F. G. Banting and C. H. Best, Macleod discovered insulin while studying diabetes. He was awarded the Nobel Prize in 1923, jointly with F. G. Banting.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.