John H. Griscom
John Hoskins Griscom (August 14, 1809 - April 28, 1874) was an influential American physician and sanitarian who made significant contributions to public health reform in 19th-century New York City. Born in New York to John Griscom, an educator and chemist, he received his medical education at the University of Pennsylvania, earning his M.D. in 1832.