Karl G. Henize; NASA Scientist, Flew in Spacelab 2

Karl G. Henize, 66, a senior NASA scientist and former astronaut, who was on leave from the National Aeronautics and Space Administration to participate in a Mt. Everest climbing expedition. About halfway into the British expedition’s first day of climbing, Henize experienced respiratory problems, said Jeff Carr, a NASA spokesman. He was buried on 29,028-foot Mt. Everest, the highest known mountain in the world, at the base camp. Henize earned a bachelor’s degree in math and master’s degree in astronomy from the University of Virginia. In 1985, he flew in space on the Spacelab 2 mission, where he studied the sun and performed other scientific tasks. Henize retired from the astronaut program in 1986, but continued his work for NASA as a senior scientist in the Space Sciences Branch at the Johnson Space Center in Houston. On Tuesday.