Physician to the World by John M. Gibson is a study of the career of William Crawford Gorgas, focusing primarily on the 22 years from the Spanish-American War until his death at the age of 65. The book details the medical community s gradual acceptance of the mosquito theory as the cause for yellow fever epidemics and follows Gorgas as his initial skepticism gave way to belief while he participated in Walter Reed s massive cleanup of Havana. From this success Gorgas moved to the Panama Canal Zone and a bureaucratic quagmire as he attempted to apply sanitary principles there to...