James B. Sumner
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.
James B. Sumner | |
|---|---|
Sumner in 1946 | |
| Born | November 19, 1887 |
| Died | August 12, 1955 (aged 67) Buffalo, New York, USA |
| Nationality | American |
| Alma mater | Harvard University |
| Known for | First to isolate an enzyme in crystallized form First to show that an enzyme is a protein |
| Awards | Nobel Prize in Chemistry (1946) |
| Scientific career | |
| Fields | Biochemistry |
| Institutions | Mount Allison University, Cornell University |
| Doctoral advisor | Otto Folin |
| Doctoral students | Alexander Dounce |
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