 From 1890 to 1894 he served as the first curator of the University of Pennsylvania's newly organized Department of American Archaeology.He was a corresponding member of the Boston Society of Natural History, a member of the American Philosophical Society of Philadelphia, and a fellow of the Royal Society of Antiquaries of the North in Copenhagen.In 1919 he died at the age of 76 years in Bristol, Pennsylvania, where he had moved after the burning of his New Jersey home a few years before.