| Nomination for Nobel Prize in Physiology or Medicine | 
| Year: | 1913 | 
| Number: | 137 - 0 | 
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| Nominee 1: 
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| Name: | Paul  Ehrlich | 
| Gender: | M | 
| Year, Birth: | 1854 | 
| Year, Death: | 1915 | 
| Profession: | prof | 
| City: | Frankfurt am Main | 
| Country: | GERMANY (DE) | 
| Awarded the Nobel Prize in Physiology or Medicine 1908 | 
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| Nominee 2: 
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| Name: | Jacques  Loeb | 
| Gender: | M | 
| Year, Birth: | 1859 | 
| Year, Death: | 1924 | 
| Profession: | prof | 
| University: | Rockefeller Institute for Medical Research (now  Rockefeller University) | 
| City: | New York | 
| State: | NY | 
| Country: | UNITED STATES (US) | 
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| Motivation: | Ehrlich: Work on Salvarsan and Neo-Salvarsan.
Loeb: The discovery of parthenogenesis. | 
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| Nominator: 
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| Name: | John  Auer | 
| Gender: | M | 
| University: | Rockefeller Institute for Medical Research (now  Rockefeller University) | 
| City: | New York | 
| State: | NY | 
| Country: | UNITED STATES (US) | 
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