A celebrated Egyptologist, born in Prussian Saxony; took at first to the study of philology under Bopp, but early devoted himself to the study of the antiquities of Egypt; headed in 1842 an expedition of research among the monuments under the king of Prussia, which occupied five years, and was fertile in important results, among others the production of a work in 12 vols. on the subject entitled "Denkmäleraus Egypten und Ethiopien," issued between 1849 and 1860; he was the author also of works on philology (1810-1884).