Steven R. Nagel
Steven Ray Nagel (October 27, 1946 – August 21, 2014), (Col, USAF), was an American astronaut, aeronautical and mechanical engineer, test pilot and a United States Air Force pilot. Nagel became a NASA astronaut in August 1979. Nagel retired from the Air Force February 28, 1995 and as an astronaut one month later.