James Batcheller Sumner (1887–1955)
Born 1887 CE, died 1955 CE.
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.
Text from the Wikipedia article James_B._Sumner, licensed CC BY-SA 4.0.