US astronaut. He was one of NASA's ‘Original Seven’ selected in 1959, and piloted Aurora 7, the second US crewed orbital flight, in May 1962. He was seconded from NASA in 1965 to participate in the US Navy's SEALAB-II programme. Returning to NASA, he was involved in the design of the lunar module for the Apollo project. He left NASA in 1967.
Subjects: Astronomy and Astrophysics.