Bachelor of science in physics from CalTech,
1962;
Ph.D. in
physics from the University of California-Berkeley, 1967; research physicist in
the University of California; was selected and served as backup payload
specialist for
STS-9; selected as payload specialist for the
STS-61K/Spacelab
EOM 1-2 mission
(manifested 03-09-1986, but cancelled after the Challenger accident),
27.12.1985; selected as payload specialist for the same (but renamed) mission,
STS-45/
ATLAS-1,
October 1989; replaced by backup payload specialist Dirk
Frimout from Belgium due to medical problems,
10.09.1991.