National Museum of Nuclear Science & History
Felix Sandoval was a staff worker at Los Alamos during the Manhattan Project.
Celia Szapka Klemski was working as a secretary for the State Department in Washington, DC when she was transferred to Manhattan to work on the Manhattan Project in 1942.
Tom Forkner was a US Army lieutenant and logistics officer who worked at Oak Ridge, TN and New York, NY during the Manhattan Project.
W. M. Brown worked for the Tennessee Eastman Corporation at the Y-12 Plant.