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James B. Sumner

(1887-1955)
American chemist
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James Batcheller Sumner (November 19, 1887 – August 12, 1955) was an American biochemist. He discovered that enzymes can be crystallized, for which he shared the Nobel Prize in Chemistry in 1946 with John Howard Northrop and Wendell Meredith Stanley. He was also the first to prove that enzymes are proteins.

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Born
19 November 1887
Canton, Massachusetts, USA
Died
12 August 1955 (aged 67)
Zodiac Scorpio
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