E. A. Doisy

Saint Louis University

November 13, 1893 - October 23, 1986

Scientific Discipline: Biochemistry
Membership Type:
Member (elected 1938)

Photo Credit: Nobel Prize Foundation

Edward A. Doisy’s biochemistry research enhanced the scientific community’s understanding of the structure of sex hormones and vitamins within the body. He won the Nobel Prize in Physiology or Medicine with Henrik Dam for the discovery of vitamin K and the determination of its chemical structure. Vitamin K is found within the body and induces clotting; it is used to block blood-thinning actions of the body or other medications.

Doisy graduated from the University of Illinois at Urbana-Champaign, earning his AB degree in 1914 and his MS degree in 1916. In 1919 he worked in the Department of Biochemistry at Washington University in St. Louis. He then attended Harvard University, where he earned his PhD in 1920. He was appointed professor and chair of the Department of Biochemistry at St. Louis University, where he served from 1923 to 1965.

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