US army medical officer who led a program that eliminated yellow fever in panama?

William C. Gorgas was the medical officer who helped to eliminate yellow fever in Panama by establishing different types of programs like the fumigation of mosquito infested areas. Another one of his sanitary programs was the drainage of swamps that were breeding areas for disease-carry mosquitoes. When he implemented these programs, he was a sanitary officer working on the Panama Canal project during the early years of the 20th century.