English: Aaron Cohen served as NASA Acting Deputy Administrator from February 19, 1992 to November 1, 1992. Mr. Cohen started at NASA's Johnson Space Center in 1962 working on the Apollo program. After Apollo he served as Manager of the Space Shuttle orbiter, directing the development and testing of the orbiter. In 1986 he assumed the position of Johnson Space Center Director. After retiring from NASA in 1993, Mr. Cohen became the Zachry Professor of Engineering at his alma mater, Texas A&M University.