| Nomination for Nobel Prize in Physiology or Medicine | 
| Year: | 1926 | 
| Number: | 27 - 0 | 
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| Nominee: 
 | 
| Name: | Peyton  Rous | 
| Gender: | M | 
| Year, Birth: | 1879 | 
| Year, Death: | 1970 | 
| Profession: | MD | 
| University: | Rockefeller Institute for Medical Research (now  Rockefeller University) | 
| City: | New York | 
| State: | NY | 
| Country: | UNITED STATES (US) | 
| Awarded the Nobel Prize in Physiology or Medicine 1966 | 
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| Motivation: | Showed that malignant tumors could be caused by a filterable agent. | 
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| Nominator: 
 | 
| Name: | Karl  Landsteiner | 
| Gender: | M | 
| Year, Birth: | 1868 | 
| Year, Death: | 1943 | 
| Profession: | prof, dept head, Nobel Laureate med 1930 | 
| University: | Rockefeller Institute for Medical Research (now  Rockefeller University) | 
| City: | New York | 
| State: | NY | 
| Country: | UNITED STATES (US) | 
| Awarded the Nobel Prize in Physiology or Medicine 1930 | 
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| Comments: | Evaluation included W. Gye and K. Yamagiwa. | 
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