Taken from "THE SPANISH-AMERICAN WAR (1898) archive copy at the Wayback Machine", Fig.28

Accompanying text: "... Medical entomology and metabolic disorders of man received a large share of interest. Among other subjects there were investigations on dysentery, cholera, and plague by 1st Lt. Richard Pearson Strong, MC (fig. 28), investigations on dengue by Lt. Col. J. F. Siler, MC, Maj. Arthur P. Hitchens, MC, 1st Lt. Charles F. Craig, MC, and Capt. James S. Simmons, MC. Craig and Ashburn showed that dengue fever was caused by a filterable virus, and Siler, Hitchens, Simmons, and others added much to the knowledge of the transmission of dengue by mosquitoes, chiefly, Aedes aegypti. Capt. E. B. Vedder, MC, made classical studies of beriberi. Capt. Raymond A. Kelser, VC, developed a vaccine against rinderpest in water buffalo. There were many important investigations on malaria. ..."

Image caption: "FIGURE 28.- Richard Pearson Strong (1872-1948). Long a member of the professorial staff of the Harvard Medical School, he was President of the Board for Investigation of Tropical Diseases in the Philippines (1899-1901). He conducted researches on many communicable diseases in many countries, including plague in Manchuria and typhus in Serbia. He was the author of a vast treatise on tropical medicine, conducted the course in tropical medicine at the Army Medical School during World War II, and served as an adviser to the Preventive Medicine Service, Office of The Surgeon General. (Portrait photograph, courtesy of the National Library of Medicine, photograph negative No. 10.777-A.)"

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