Dr. Thomas Ruston, a native of Chester County, Pa., attended the College of New Jersey and received a medical degree from the University of Edinburgh in 1765. He practiced in England until after the Revolution. In 1785 Ruston returned to Philadelphia where he became an associate of Robert Morris in land speculations. He was jailed for debt in 1796 (RUSH description begins L. H. Butterfield, ed. Letters of Benjamin Rush. 2 vols. Princeton, N.J., 1951. description ends , 1:92, n.1). Ruston had been introduced to GW by George William and Sally Fairfax in a letter of 2 July 1785 as “not only a good American by birth, but also in sentiments” (DLC:GW). Ruston had a town house built for him on Chestnut Street. In the 1790 census he appears on West Market Street between Eighth and Ninth streets (Pa. Mag., 8 [1884], 111; HEADS OF FAMILIES, PA. description begins Heads of Families at the First Census of the United States Taken in the Year 1790: Pennsylvania. 1908. Reprint. Baltimore, 1970. description ends , 226; JACKSON [3] description begins Joseph Jackson. America’s Most Historic Highway, Market Street, Philadelphia. New ed. Philadelphia and New York, 1926. description ends , 232).