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Not who you're looking for? Others named John Collins Warren: American surgeon 1842-1927
John Collins Warren was an American surgeon. He was a founder of The New England Journal of Medicine and was the third president of the American Medical Association. He was the first dean of Harvard Medical School and a founding member of the Massachusetts General Hospital. In 1846 he gave permission to William T.G. Morton to provide ether anesthesia while Warren performed a minor surgical procedure. News of this first public demonstration of surgical anesthesia quickly circulated around the world.
