John Howard Northrop

John Howard Northrop (1891–1987) was an American chemist, biochemist, and university teacher. Born in Yonkers, he was educated at Columbia University, where he studied under doctoral advisors Jacques Loeb and Thomas Hunt Morgan. His professional career included positions at Columbia University, the University of California, Berkeley, and The Rockefeller University. Northrop’s field of work was biochemistry, and he is associated with works such as *Crystalline enzymes* and *The organic phosphoric acid of starch*.

He received the Nobel Prize in Chemistry, the Daniel Giraud Elliot Medal, and the National Medal of Science. Northrop was a member of the American Academy of Arts and Sciences, the German Academy of Sciences Leopoldina, the National Academy of Sciences, and the American Philosophical Society. He was also nominated for the Nobel Prize in Physiology or Medicine.

Northrop resided in Yonkers and Arizona. He died by suicide in Wickenburg in 1987.