| Nomination for Nobel Prize in Physiology or Medicine | 
| Year: | 1931 | 
| Number: | 113 - 0 | 
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| Nominee 1: 
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| Name: | Leonor  Michaelis | 
| Gender: | M | 
| Year, Birth: | 1875 | 
| Year, Death: | 1949 | 
| Profession: | prof, head dept | 
| University: | Rockefeller Institute for Medical Research (now  Rockefeller University) | 
| City: | New York | 
| State: | NY | 
| Country: | UNITED STATES (US) | 
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| Nominee 2: 
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| Name: | Wolfgang  Ostwald | 
| Gender: | M | 
| Year, Birth: | 1883 | 
| Year, Death: | 1943 | 
| Profession: | prof colloid chemistry | 
| University: | Leipzig University | 
| City: | Leipzig | 
| Country: | GERMANY (DE) | 
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| Nominee 3: 
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| Name: | Otto H Warburg | 
| Gender: | M | 
| Year, Birth: | 1883 | 
| Year, Death: | 1970 | 
| Profession: | prof | 
| University: | Kaiser-Wilhelm-Institut für Biologie (now Max Planck Institute of Biology) | 
| City: | Berlin-Dahlem | 
| Country: | GERMANY (DE) | 
| Awarded the Nobel Prize in Physiology or Medicine 1931 | 
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| Motivation: | Michaelis: Work on hydrogen ion concentration, permeability and oxidation-reduction potential.
Ostwald: Work on the area of colloid chemistry.
Warburg: Work on the respiratory enzyme. | 
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| Nominator: 
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| Name: | K  Spiro | 
| Profession: | prof medical chemistry | 
| University: | University of Basel | 
| City: | Basel | 
| Country: | SWITZERLAND (CH) | 
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