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| Edward Doisy | |
|---|---|
| Name | Edward Doisy |
| Birth date | November 13, 1893 |
| Birth place | Hume, Illinois, United States |
| Death date | October 23, 1986 |
| Death place | St. Louis, Missouri, United States |
| Nationality | American |
| Field | Biochemistry |
| Institutions | Washington University in St. Louis, St. Louis University, University of Illinois |
| Alma mater | Eastern Illinois University, University of Illinois Urbana-Champaign, Washington University in St. Louis |
| Known for | Isolation of vitamin K |
| Awards | Nobel Prize in Physiology or Medicine |
Edward Doisy was an American biochemist known for the chemical isolation and characterization of vitamin K. His work linked biochemical pathways to clinical hematology and influenced nutrition, pharmacology, and medicine. Doisy's research intersected with institutions, contemporaries, and scientific developments that reshaped 20th-century biochemistry and physiology.
Doisy was born in Hume, Illinois, near Chicago, and attended local schools before matriculating at Eastern Illinois University and the University of Illinois Urbana-Champaign. He pursued graduate studies at Washington University in St. Louis, where he trained under mentors connected to researchers at Harvard University, Yale University, and Johns Hopkins University. During this period he encountered contemporary figures in chemistry and medicine linked to Eli Lilly and Company, Rockefeller Institute for Medical Research, and European laboratories such as those at the University of Göttingen and University of Cambridge.
Doisy held academic appointments at institutions including Washington University in St. Louis and Saint Louis University School of Medicine. His research programs collaborated with investigators from University of Chicago, Columbia University, University of Pennsylvania, Cornell University, University of Minnesota, and University of Wisconsin–Madison. Doisy published findings in journals circulated by organizations such as the National Academy of Sciences, American Chemical Society, and Royal Society of London. He served on committees alongside members from National Institutes of Health, American Medical Association, Guggenheim Foundation, and industrial laboratories like Pfizer and Merck & Co..
Doisy's work on vitamin K built on clinical observations from hematologists at Massachusetts General Hospital and nutritional studies from researchers at the Carnegie Institution for Science and Rockefeller Institute. Following initial biological identification by other scientists examining hemorrhagic disease, Doisy isolated the fat-soluble growth factor responsible for blood coagulation. He characterized chemical structures related to naphthoquinones, connecting his results to compounds studied at the University of Oxford and University of Basel. Doisy's isolation and synthesis efforts intersected with contemporaneous organic chemistry advances from laboratories at ETH Zurich, University of Paris, University of Munich, and University of Vienna. The vitamin K work influenced clinical practice at hospitals including Mayo Clinic, Cleveland Clinic, and pediatric units such as those at Great Ormond Street Hospital.
In recognition of elucidating vitamin K's role in coagulation chemistry, Doisy shared the Nobel Prize in Physiology or Medicine with a co-discoverer. The award connected Doisy to laureates and institutions including Karolinska Institutet, the Royal Swedish Academy of Sciences, and international scientific figures from Sweden, Germany, France, United Kingdom, United States, and Japan. Following the prize, Doisy received honors from organizations such as the National Academy of Sciences, American Academy of Arts and Sciences, Royal Society of Medicine, and universities including Princeton University, Harvard University, Yale University, University of California, Berkeley, Johns Hopkins University, and Columbia University. His recognition fostered collaborations with research centers like Salk Institute, Max Planck Society, and philanthropic entities including Gates Foundation-era institutions.
Doisy's personal and professional life linked him to the civic and educational communities of Illinois and Missouri, including alumni networks of Eastern Illinois University and Washington University in St. Louis. His legacy is preserved in collections at university archives and museums such as the Smithsonian Institution and the Science Museum, London. Doisy influenced successors at institutions like St. Louis University School of Medicine, University of Illinois, Case Western Reserve University, and Vanderbilt University. His contributions continue to inform textbooks and curricula at Oxford University Press, Cambridge University Press, and medical schools affiliated with American Association of Medical Colleges. Doisy's impact endures in fields connected to the vitamin K story: clinical hematology at American Society of Hematology, nutritional science at American Society for Nutrition, and pharmaceutical development at companies such as Bayer and AbbVie.
Category:American biochemists Category:Nobel laureates in Physiology or Medicine Category:1893 births Category:1986 deaths