| Nomination for Nobel Prize in Physiology or Medicine | 
| Year: | 1951 | 
| Number: | 13 - 0 | 
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| Nominee 1: 
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| Name: | James Arthur A Reyniers | 
| Gender: | M | 
| Profession: | prof bacteriology | 
| City: | Notre Dame | 
| State: | IN | 
| Country: | UNITED STATES (US) | 
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| Nominee 2: 
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| Name: | Ragnar  Granit | 
| Gender: | M | 
| Year, Birth: | 1900 | 
| Year, Death: | 1991 | 
| Profession: | prof neurophysiology | 
| University: | Karolinska Institutet | 
| City: | Stockholm | 
| Country: | SWEDEN (SE) | 
| Awarded the Nobel Prize in Physiology or Medicine 1967 | 
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| Motivation: | Reyniers: Germ-free animals
Granit: Retinal electrical responses and their role in the physiology of colour perception | 
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| Nominator: 
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| Name: | Corneille J Heymans | 
| Gender: | M | 
| Year, Birth: | 1892 | 
| Year, Death: | 1968 | 
| Profession: | Nobel laureate med 1938 | 
| University: | Ghent University | 
| City: | Ghent | 
| Country: | BELGIUM (BE) | 
| Awarded the Nobel Prize in Physiology or Medicine 1938 | 
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