Barker, George Frederick. Professor physics, University of Pennsylvania 1873-1900; later emeritus professor. Born in Charlestown, MA, July 14, 1835. Graduate Sheffield Scientific School, Yale, Ph. B., 1858; M. D., Albany, 1863. Was assistant in chemistry and later professor physiology, chemistry, and toxicology, Yale; taught in other colleges. United States Commissioner, Paris Electrical Exhibition, 1881. Delegate to electoral congress and vice-president jury of awards. Received decoration commander Legion of Honor of France. United States Commissioner Electrical Exhibition, Philadelphia, 1884. On jury of awards, World's Columbian Exposition, 1893. Expert in poisons, criminal cases; expert in Edison, Berliner, and other patent suits. Member many American and foreign scientific societies. For several years associate editor, "The American Journal of Science." Author: "Textbook of Elementary Chemistry," "Physics." Died 1910.