| Nomination for Nobel Prize in Physiology or Medicine | 
| Year: | 1909 | 
| Number: | 50 - 1 | 
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| Nominee 1: 
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| Name: | Élie  Metchnikoff | 
| Gender: | M | 
| Year, Birth: | 1845 | 
| Year, Death: | 1916 | 
| Profession: | prof | 
| University: | Pasteur Institute (Institut Pasteur) | 
| City: | Paris | 
| Country: | FRANCE (FR) | 
| Awarded the Nobel Prize in Physiology or Medicine 1908 | 
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| Nominee 2: 
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| Name: | Emile P Roux | 
| Gender: | M | 
| Year, Birth: | 1853 | 
| Year, Death: | 1933 | 
| Profession: | director | 
| University: | Pasteur Institute (Institut Pasteur) | 
| City: | Paris | 
| Country: | FRANCE (FR) | 
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| Motivation: | Mechnikov: Collaboration with Roux on the inoculation of syphilis in animals, research on the defensive reactions, especially the phagocytosis.
Roux: Research on diphtheria and the anti diphtheria serum, and the inoculation of syphilis in animals. | 
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| Nominator: 
 | 
| Name: | F I Bosc | 
| Gender: | M | 
| Profession: | prof | 
| University: | University of Montpellier | 
| City: | Montpellier | 
| Country: | FRANCE (FR) | 
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