| Nomination for Nobel Prize in Physiology or Medicine | 
| Year: | 1912 | 
| Number: | 55 - 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 syphilis therapy.
Loeb: Work on the effect of ions and parthenogenesis. | 
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| Nominator: 
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| Name: | Alexander  Koranyi | 
| Gender: | M | 
| Profession: | prof | 
| University: | University of Budapest | 
| City: | Budapest | 
| Country: | HUNGARY (HU) | 
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