National Museum of Nuclear Science & History
Paul Sperling was a staff worker at Los Alamos during the Manhattan Project.
Elsie Harrington was a civilian RO Operator at Oak Ridge, Tennessee from October 1943 to February 1947.
Joseph Caldwell was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
E. A. Prichard worked for Clinton Laboratories at the X-10 Reactor.
