About
Served on the first NEEMO (NASA Extreme Environment Mission Operations) crew in the Aquarius Underwater Laboratory.
Before fame
He became a bioengineer and worked as a professional diver.
Trivia
He is a veteran of four spaceflights.
Family life
He married but had no children.
Associated with
He and Scott Horowitz were both included as members of NASA Astronaut Group 14 in 1992.
