| Nomination for Nobel Prize in Physiology or Medicine | |
| Year: | 1931 |
| Number: | 125 - 0 |
| Nominee: |
|
| Name: | Frederick W Twort |
| Gender: | M |
| Year, Birth: | 1877 |
| Year, Death: | 1950 |
| Profession: | dr, director |
| Department: | Brown Institution |
| University: | University of London |
| City: | London |
| Country: | UNITED KINGDOM (GB) |
| Motivation: | The discovery of the bacteriophage. |
| Nominator: |
|
| Name: | John James Macleod |
| Gender: | M |
| Year, Birth: | 1876 |
| Year, Death: | 1935 |
| Profession: | Nobel Laureate med 1923 |
| University: | University of Toronto |
| City: | Toronto |
| State: | ON |
| Country: | CANADA (CA) |