| | Countway Library of Medicine -The Warrens of Harvard Medical School. |
 | | Surgeon and educator John Warren was born on July 27, 1753, the son of a Roxbury farmer. |
 | | John Warren was put in charge of a series of military hospitals during the Revolutionary War. |
 | | After studying medicine with his older brother, Joseph Warren (1741-1775), he removed to Salem to work alongside Dr. Edward Augustus Holyoke. |
| www.countway.med.harvard.edu /rarebooks/exhibits/warrens (788 words) |