Dr. William Crawford Gorgas, 1854 - 1920, United States Army Physician and the 22nd Surgeon General of the U. S. Army from 1914 - 1918. He is best known for his work during the construction of the Panama Canal in defeating the plaques of malaria and yellow fever. He did so by controlling the mosquitoes that carried the diseases, and insisting on sanitary conditions. He was, himself a survivor of yellow fever and as the chief Sanitary Officer, he expanded and improved upon the yellow fever research work of another famous Army doctor, Major Walter Reed. Dr. Gorgas won international fame battling the illnesses in both tropical and sub-tropical climates in the US and Central and South America. He went on to serve as president of the American Medical Association and was awarded the inaugural Public Welfare Medal from the National Academy of Sciences. He also received an honorary knighthood from King George V. The Gorgas Hospital in The Republic of Panana, which was also a University and a research center still stands today. This is a full document 12th Day of December, 1914, providing for the promotion to Corporal of Wheeler W. Johnson into the Hospital Corps, signed by W. C. Gorgas, Surgeon General.