Nicholas Senn

Nicholas Senn was an American surgeon, instructor, and founder of the Association of Military Surgeons of the United States. He served as the president of the American Medical Association in 189798 and as chief surgeon of the Sixth Army Corps in 1898, seeing service in Cuba during the SpanishAmerican War. He was involved in experimental research, particularly of acute pancreatitis, plastic surgery, head and neck oncology, the intestinal tract, and the treatment of leukaemia with xrays.

Senn was born in Sevelen, Switzerland and emigrated to the United States with his family in 1852 when he was eight years old, settling in Ashford, Wisconsin. He graduated from the Chicago Medical College in 1868.

Source: Wikipedia