Born in Albemarle in Virginia [in] 1771. Was private secretary to Mr. Jefferson when he was selected to conduct a company of discovery, with Clarke, to investigate the source of the Missouri. Besides voluminous documents of an interesting nature, concerning the nature and the productions of the country, he procured the skins of several undescribed animals which are preserved in the Museum, together with dresses which mark the manner and customs of various tribes. On his return he was appointed governor of Upper Louisiana. [P. 44.]
Historical Catalogue of the Paintings in the Philadelphia Museum consisting chiefly of Portraits of Revolutionary Patriots and other distinguished characters. 1813.