James Batcheller Sumner

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.

James Batcheller Summer
Born	James Batcheller Summer 19 November 1887(1887-11-19) Canton, Massachusetts
Dee'd	12 August 1955(1955-08-12) (aged 67) Buffalo, New York
Naitionality	American
Alma mater	Harvard Varsity
Kent for	prove that the enzymes are proteins
Awairds	Nobel Prize in Chemistry (1946)
Scientific career
Fields	Chemistry
Institutions	Cornell Varsity