Keywords: Duponceau.jpg artwork Creator Thomas Sully 1830 Technique oil American Philosophical Society Museum American Philosophical Society Museum other versions PD-old-100 DEFAULTSORT 1830; DuPonceau Peter Stephen Peter Stephen Du Ponceau Portraits of the American Philosophical Society DuPonceau 1830 oil on canvas paintings in the United States Portrait 1830 portrait paintings Male 19th-century oil portraits of men at bust length 19th-century portrait paintings in the United States Brown clothing in art male Portrait paintings of men with glasses Three-quarter view portraits of men facing left |