David du Bose Galliard

Colonel William Crawford Gorgas, son of Confederate general Josiah Gorgas, Jefferson Davis’ chief of ordnance, was already a world renowned doctor before he ever set foot in Panama. In the final days of the Spanish–American War, Gorgas was Chief Sanitary Officer in Havana, where he eradicated yellow fever and malaria by identifying its transmitter: the Aedes mosquito. (Previously, people had…