Karl Henize

Karl Gordon Henize was an American astronomer, space scientist, NASA astronaut, and professor at Northwestern University. He was stationed at several observatories around the world, including McCormick Observatory, Lamont-Hussey Observatory, Mount Wilson Observatory, Smithsonian Astrophysical Observatory and Mount Stromlo Observatory. He was a member of the astronaut support crew for Apollo 15 and Skylab 2, 3, and 4. As a mission specialist on the Spacelab-2 mission, he flew on Space Shuttle Challenger in July/August 1985. He was awarded the NASA Exceptional Scientific Achievement Medal in 1974.
He died in 1993, during a Mount Everest expedition while testing equipment for NASA.