National Museum of Nuclear Science & History
Ruth Rottman was a laboratory technician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
F. G. Rehm worked for Clinton Laboratories at the X-10 Reactor.
Leonard Quartararo was a staff worker at Los Alamos during the Manhattan Project.
Ethaline Hartge Cortelyou was a junior chemist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.