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Edward A. Doisy

Born November 3, 1893(1893-11-03)
Hume, Illinois, USA
Died October 23, 1986 (aged 92)
St. Louis, Missouri, USA
Nationality United States
Fields Biochemistry
Doctoral advisor Otto Folin
Known for Vitamin K
Notable awards Nobel Prize in Physiology or Medicine (1943)

Edward Adelbert Doisy (November 3, 1893 – October 23, 1986) was an American biochemist. He received the Nobel Prize in Physiology or Medicine in 1943 with Henrik Dam for their discovery of vitamin K (K from "Koagulations-Vitamin" in German) and its chemical structure.

Doisy was born in Hume, Illinois, on November 3, 1893. He completed his A.B. degree in 1914 and his M.S. degree in 1916 from the University of Illinois at Urbana-Champaign. He completed his Ph.D. in 1920 from Harvard University.

In 1919 he accepted a faculty appointment in the Department of Biochemistry at Washington University in St. Louis where he rose in rank to Associate Professor. In 1923, he moved to St. Louis University as Professor and Chairman of the new Department of Biochemistry. He served as Professor and Chairman of that department until he retired in 1965. St. Louis University renamed the department the E.A. Doisy Department of Biochemistry, in his honor. More recently, the department has again been renamed. It is now known as the E.A. Doisy Department of Biochemistry and Molecular Biology.

He also competed with Adolf Butenandt in the discovery of estrone in 1930. They discovered the substance independently but only Butenandt was awarded the Nobel Prize in Chemistry in 1939.


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Simple English

Edward Doisy
BornNovember 13, 1893
Hume, Illinois, USA
DiedOctober 23, 1986
Alma materUniversity of Illinois
Harvard University
Known forVitamin K
Notable prizesNobel Prize in Physiology or Medicine (1943)

Edward Adlebert Doisy (November 13, 1892 - October 23, 1986) was an American biochemist.[1] He won the 1943 Nobel Prize in Physiology or Medicine, along with Henrik Dam, for the discovery of Vitamin K.[2]



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