| Nomination for Nobel Prize in Physiology or Medicine | 
| Year: | 1943 | 
| Number: | 22 - 0 | 
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| Nominee 1: 
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| Name: | Conrad A Elvehjem | 
| Gender: | M | 
| Year, Birth: | 1901 | 
| Year, Death: | 1962 | 
| Profession: | prof agricultural chemistry | 
| University: | University of Wisconsin | 
| City: | Madison | 
| State: | WI | 
| Country: | UNITED STATES (US) | 
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| Nominee 2: 
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| Name: | Vincent  du Vigneaud | 
| Gender: | M | 
| Year, Birth: | 1901 | 
| Year, Death: | 1978 | 
| Profession: | prof biochemistry | 
| University: | Cornell University Medical College | 
| City: | New York | 
| State: | NY | 
| Country: | UNITED STATES (US) | 
| Awarded the Nobel Prize in Chemistry 1955 | 
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| Motivation: | C. Elvehjem:  Importance of nicotinic acid in treatment of "black tongue" 
in dogs and in pellegra in man.
V. du Vigneaud:  Demonstrated the process of transmethylation as carried out in the 
animal body. Studies of the structure of the biotin molecule. | 
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| Nominator: 
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| Name: | Charles D Snyder | 
| Gender: | M | 
| Profession: | prof physiology | 
| City: | Baltimore | 
| State: | MD | 
| Country: | UNITED STATES (US) | 
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| Comments: |  | 
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