John M. Walker
John M. Walker Sr. | |
|---|---|
| Born | January 15, 1907 |
| Died | August 16, 1990 (aged 83) |
| Nationality | American |
| Education | Yale University (BS) Columbia University (MD) |
| Occupation(s) | Investment banker, G. H. Walker & Co., Alex. Brown & Sons |
| Medical career | |
| Profession | Physician |
| Field | Clinical assistant in surgery, 1949–1967 Chief physician (Hospital president), 1967–1975 |
| Institutions | Memorial Sloan–Kettering Cancer Center |
| Military career | |
| Service | United States Army |
| Rank | Major |
| Battles / wars | World War II |
John Mercer Walker Sr. (January 15, 1907 – August 16, 1990) was an American physician and investment banker. A member of the prominent Bush-Walker family, he was a maternal uncle of US President George H. W. Bush.