Harry Stoll Mustard was born in 1896 in South Carolina and received his medical training in that state. He became Tennessee's assistant health commissioner in 1930, and in 1932 joined the faculty of the Johns Hopkins University Medical School. From 1940 to 1950 he directed the Columbia University School of Public Health, from which he took leave of absence to become NYC's health commissioner from 1947 to 1950. His pioneering work in public health includes An Introduction to Public Health (published in five editions from 1935 to 1969), Rural Health Practice (1936), and Government in Public Health (1945). He died in Camden, N.J. in 1966.