Albumen cabinet card with portrait of Commander De Long, of the U.S. Navy. He is wearing a suit and pince-nez glasses. George Washington De Long was a United States Navy officer and explorer who led the ill-fated Jeannette expedition of 1879–1881, in search of the Open Polar Sea (Wikipedia). The Jeannette expedition of 1879–1881, officially called the U.S. Arctic Expedition, was an attempt led by George W. De Long to reach the North Pole by pioneering a route from the Pacific Ocean through the Bering Strait (Wikipedia).