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James Batcheller Sumner

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James Batcheller Summer
BornJames Batcheller Summer
19 November 1887(1887-11-19)
Canton, Massachusetts
Dee'd12 August 1955(1955-08-12) (aged 67)
Buffalo, New York
Alma materHarvard Varsity
Kent forprove that the enzymes are proteins
Scientific career
InstitutionsCornell Varsity

James Batcheller Sumner (19 November 1887 – 12 August 1955) wis an American chemist. He discovered that the enzymes can be crystallized an he wis the first scientist wha proved that the enzymes are proteins. In 1946, Summer wis awairdit the Nobel Prize in Chemistry alang wi John Howard Northrop an Wendell Meredith Stanley.