| Nomination for Nobel Prize in Physiology or Medicine | 
| Year: | 1950 | 
| Number: | 80 - 0 | 
|  | 
 
| Nominee 1: 
 | 
| Name: | Edward L Rickes | 
| Gender: | M | 
| Profession: | dr | 
| University: | Merck & Company Research Laboratory | 
| City: | Rahway | 
| State: | NJ | 
| Country: | UNITED STATES (US) | 
|  | 
 
| Nominee 2: 
 | 
| Name: | Ernest Lester  Smith | 
| Gender: | M | 
| Year, Birth: | 1904 | 
| Year, Death: | 1992 | 
| Profession: | dr | 
| University: | Glaxo Laboratories | 
| City: | Greenford | 
| Country: | UNITED KINGDOM (GB) | 
|  | 
 
| Nominee 3: 
 | 
| Name: | Barend C P Jansen | 
| Gender: | M | 
| Year, Birth: | 1884 | 
| Year, Death: | 1962 | 
| Profession: | prof physiological chemistry | 
| City: | Amsterdam | 
| Country: | NETHERLANDS (NL) | 
|  | 
 
| Motivation: | B C P Jansen: The crystallization of vitamin B 1.
E Rickes and L Smith: Work on vitamin B 12 | 
|  | 
 
| Nominator: 
 | 
| Name: | B  Mendel | 
| Profession: | prof cellular physiology | 
| City: | Toronto | 
| State: | ON | 
| Country: | CANADA (CA) | 
|  | 
 
|  |