National Museum of Nuclear Science & History
Paul Hartsfield worked for Clinton Laboratories at the X-10 Reactor.
Stanislaw Ulam (1909-1984) was a Polish-American mathematician. Ulam was born in 1909 in Lvov, Austria-Hungary (present-day Ukraine).
H. B. Bainbridge worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Opal Adamson worked for the Tennessee Eastman Corporation at the Y-12 Plant.