John Hunter, first aneurysm operation and founder of early schools of anatomy
Leonard B. Kaban, Walter C. Guralnick Professor and Chair of the Department of Oral and Maxillofacial Surgery at the Massachusetts General Hospital/Harvard University, pioneer in oral, maxillofacial and craniofacial surgery
Richard Lehman (surgeon), pioneered several orthopedic surgeries
Frederic E. Mohs, developed the Mohs Micrographic Surgery technique (MMS) aka Mohs surgery in 1938 to remove skin cancer lesions.