Hans Adolf Krebs
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Sir Hans Adolf Krebs (August 25, 1900–November 22, 1981) was a German, later British medical doctor and biochemist. Krebs is best known for his identification of two important metabolic cycles: the urea cycle and the citric acid cycle. The latter, the key sequence of metabolic chemical reactions that produces energy in cells, is also known as the Krebs cycle and earned him a Nobel Prize in 1953.
Life
He was born in Hildesheim, Germany, to Alma and Georg Krebs. His father, Georg, was an ear, nose, and throat surgeon. Hans went to school in Hildesheim and studied medicine at the University of Göttingen and at the University of Freiburg from 1918–1923. He earned his Ph.D. at the University of Hamburg in 1925, then studied chemistry in Berlin for one year, where he later became an assistant of Otto Warburg at the Kaiser Wilhelm Institute for Biology until 1930. He then returned to clinical medicine at the municipal hospital of Altona and then at the Medical Clinic of the University of Freiburg, where he conducted research and discovered the urea cycle.
Because he was Jewish, he was barred from practicing medicine in Germany and he emigrated to England in 1933. He was invited to Cambridge, where he worked in the biochemistry department under Sir Frederick Gowland Hopkins (1861–1947). Krebs became professor of biochemistry at the University of Sheffield in 1945. Krebs' area of interest was intermediary metabolism. He identified the urea cycle in 1932, and the citric acid cycle in 1937.
In 1953 he was awarded half of the Nobel Prize in Physiology for his "discovery of the citric acid cycle."
He was elected Honorary Fellow of Girton College, Cambridge University in 1979. Krebs died in Oxford, England in 1981. His son, Sir John Krebs, is also a distinguished scientist.
Timeline
- 1900 Born in Germany
- 1918 Began medical school
- 1923 Graduated from medical school
- 1925 Graduated with Ph.D. from University of Hamburg
- 1932 Identification of Urea Cycle
- 1933 Emigration to the United Kingdom
- 1937 Identification of Citric Acid Cycle or "Krebs Cycle"
- 1945 Became a Professor at University of Sheffield
- 1953 Won the Nobel Prize in Medicine
- 1958 Knighted
- 1981 Died in the United Kingdom
External link
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Acknowledgement and Attribution Regarding Sources of Content
Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .
