NASA Pioneer Aaron Cohen Dies

"Spaceflight pioneer Aaron Cohen, a former director of NASA's Johnson Space Center in Houston, died Thursday, Feb. 25, after a lengthy illness. He was 79. Cohen had a 33-year career with NASA. He was a steady hand at the helm of Johnson as NASA recovered from the shuttle Challenger tragedy and returned the space shuttle to flight. Cohen left the agency in 1993 to accept an appointment as a professor at his alma mater, Texas A&M University. At the time, he was serving as acting deputy administrator at NASA Headquarters in Washington."