About
The second French-born astronaut, he participated in a 1985 NASA Space Shuttle Discovery mission.
Before Fame
He achieved the rank of Lieutenant Colonel in the French Air Force.
Trivia
He flew as a payload specialist on STS-51-G, his only space mission.
Family Life
He had two children with his first wife.
Associated With
He and fellow astronaut Leopold Eyharts both began their aviation careers as members of the French Air Force.
