George C. Payne (also known as G.C. Payne) was an American tropical physician and director for the International Health Board of the Rockefeller Foundation for Mexico [1] and Trinidad in the 1920s. [2] He also worked as a physician for the state health board in Virginia in 1923. [3] He investigated hookworm disease between 1921 [4] [5] [6] and 1934, [7] and was known for studying the links between hookworm, tropical sprue and anemia in Trinidad, [2] as well as Puerto Rico at the School of Tropical Medicine, where he worked with William Bosworth Castle and Cornelius P. Rhoads. [8] [9] [10] In 1929 he published a study on effective footwear to reduce worm infestation. [11] He became involved in the Rhoads scandal of the 1930s. [12] He was the first to use a type of mosquito bait trap or stable trap in 1923 in the West Indies. [13] He also studied diet and nutrition in Mexico from 1944 to 1948. [14] [15]