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Jack Froehlich
Jack Edward
Froehlich
was an
American
aerospace engineer
.
He
worked
at the
Jet Propulsion Laboratory
, where he was a
project
director
for the
Explorer 1
program
.
Caltech's
Jack
E. Froehlich
Memorial
Award
is named after him, as is the
crater
Froelich
on
the Moon
.