Physician, botanist, conchologist, entomologist and mineralogist, Hartman was curator of the Chester County, Pa. Cabinet of Natural Sciences, in 1842. Several of his publications on shells were issued by the Academy during the time he was a correspondent. The papers consist of (a) 'A Bibliographic and Synonymic Catalogue of the genus Helecina Lam." and (b) Annotations about mollusks of Chester County.