WILLIAM COSGROVE HUNSICKER, Philadelphia, Pennsylvania, was born there November 17, 1873, the son of Horace and Mary Ann (Cosgrove) Hunsicker. On the paternal side he was of German-Swiss origin. The progenitor of the Hunsicker family in this country settled in eastern Pennsylvania in 1732. Dr. Hunsicker's paternal grandfather was a bishop in the Mennonite church. The Cosgroves were originally Irish, settling in Holland, then in Indiana in the early part of the nineteenth century. Dr. Hunsicker's maternal grandfather was a prominent business man of Warsaw, Indiana, and ex-mayor of the town. He received his early education at a private school of Philadelphia (1883 to 1886), and grammar school (1886 to 1888); his intermediate education at Central High School (1888 to 1890), and from 1890 to 1892 he took a biological course in the University of Pennsylvania. He studied for his profession at the Hahnemann Medical College of Philadelphia, entering in 1892 and receiving his degree in 1895. Dr. Hunsicker served as intern in the Children's Homœopathic Hospital of Philadelphia from May, 1895, to May, 1896, and was intern in the Hahnemann Medical College of Philadelphia, June, July and August, 1896. He was clinical assistant in the genito-urinary department of Hahnemann Dispensary, and clinical instructor and professor in genito-urinary diseases at the Hahnemann Medical College. From 1899 to 1904 Dr. Hunsicker was secretary and treasurer of the Philadelphia Medical and Surgical Society, and held membership in the Pennsylvania State and the Philadelphia County Homœopathic Medical Societies, and the Philadelphia Medical and Surgical Society. In June, 1900, he was united in marriage with Cornelia Higbee, and two children, William C., Jr., and Horace Higbee Hunsicker, were been born to them. He was also active in politics. A Republican, he was a member of Pennsylvania state senate 3rd District, 1927 to 1936 (elected to the unexpired term of William J. McNichol); he resigned in 1936. He was appointed to the head of the city Health Department by Mayor S. Davis Wilson in 1936.