In 1939, James Batcheller Sumner won the Chemistry Noble Prize.
Born: November 19, 1887, Canton, Massachusetts, USA.
Died: August 12, 1955 (aged 67) Buffalo, New York, USA.
Nationality: American.
Education: Harvard University.
Known as: First to isolate an enzyme in crystallized form First to show that an enzyme is a protein.
Awards: Nobel Prize in Chemistry (1946).
Fields: Chemistry.