Everything about Hans Adolf Krebs totally explained
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,
John, Lord 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
Further Information
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