"Jeannette" at Dartmouth College 1841 births 1912 deaths 19th-century American naval officers Burials at Laurel Hill Cemetery (Philadelphia) Congressional Gold Medal recipients Jeannette expedition Military personnel from New York City National Geographic Society founders People of New York (state) in the American Civil War Polytechnic Institute of New York University alumni Shipwreck survivors Union Navy officers United States Navy admirals United States Navy engineering officers