"Deceased" . "1925Z"^^ . . . . . "Henry C. Gordon"@en . . "American astronaut" . "Gordon, Henry C."@en . "1925-12-23Z"^^ . "Henry Charles Gordon (December 23, 1925 \u2013 September 24, 1996), (Col, USAF), was an American aeronautical engineer, U.S. Air Force officer, test pilot, and astronaut in the X-20 Dyna-Soar program."@en . . "1996-09-24Z"^^ . "1996Z"^^ .