| Nomination for Nobel Prize in Physiology or Medicine | |
| Year: | 1939 |
| Number: | 23 - 0 |
| Nominee 1: |
|
| Name: | John H Northrop |
| Gender: | M |
| Year, Birth: | 1891 |
| Year, Death: | 1987 |
| Profession: | dept head |
| University: | Rockefeller Institute for Medical Research (now Rockefeller University) |
| City: | New York |
| State: | NY |
| Country: | UNITED STATES (US) |
| Awarded the Nobel Prize in Chemistry 1946 | |
| Nominee 2: |
|
| Name: | James B Sumner |
| Gender: | M |
| Year, Birth: | 1887 |
| Year, Death: | 1955 |
| Profession: | prof biochemistry |
| University: | Cornell University |
| City: | Ithaca |
| State: | NY |
| Country: | UNITED STATES (US) |
| Awarded the Nobel Prize in Chemistry 1946 | |
| Motivation: | Northrop: The purification, crystallization and method of action of pepsin and trypsin; purification of their pro-enzymes. Sumner: The purification and crystallization of the enzyme urease and the study of its action. |
| Nominator: |
|
| Name: | Thomas M Rivers |
| Gender: | M |
| Profession: | dept head |
| University: | Rockefeller Institute for Medical Research (now Rockefeller University) |
| City: | New York |
| State: | NY |
| Country: | UNITED STATES (US) |
