Former NASA astronaut who logged four Space Shuttle missions, twice serving as commander and once serving as pilot.
He received a degree in aeronautical engineering from the United States Air Force Academy.
He was inducted into the NASA Astronaut Hall of Fame in 2012.
He had three daughters with Lynne Denise Mungle.
He and Richard Searfoss were both members of NASA Astronaut Group 13 in 1990.
