Dr John Macleod FRS FRSE LLD
(1876-1935)

Died aged c. 59

John James Rickard Macleod FRS FRSE (6 September 1876 – 16 March 1935) was a Scottish biochemist and physiologist. He devoted his career to diverse topics in physiology and biochemistry, but was chiefly interested in carbohydrate metabolism. He is noted for his role in the discovery and isolation of insulin during his tenure as a lecturer at the University of Toronto, for which he and Frederick Banting received the 1923 Nobel prize in Physiology or Medicine. Awarding the prize to Macleod was controversial at the time, because according to Banting's version of events, Macleod's role in the discovery was negligible. It was not until decades after the events that an independent review acknowledged a far greater role than was attributed to him at first.

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Commemorated on 2 plaques

J. R. R. Macleod 1876- physiologist

John James Rickard MacLeod 1876-1935 co-discoverer of insulin and Nobel Prize Winner lived here

32 Cairn Road, Cults, Aberdeen, United Kingdom where they lived

J. R. R. Macleod 1876- physiologist

Kings Quadrant, Aberdeen, United Kingdom where they worked