James B. Sumner, Date of Birth, Place of Birth, Date of Death

James B. Sumner

American chemist

Date of Birth: 19-Nov-1887

Place of Birth: Canton, Massachusetts, United States

Date of Death: 12-Aug-1955

Profession: chemist, university teacher, biochemist, virologist

Nationality: United States

Zodiac Sign: Scorpio

James Batcheller Sumner (November 19, 1887 – August 12, 1955) was an American chemist.
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.