National Museum of Nuclear Science & History
Ruby Kidd worked for the Kellex Corporation at the K-25 Plant.
Ralph Nelson was a staff worker at Los Alamos during the Manhattan Project.
Abraham L. Longfield was a Procurement and Property Officer for the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
K. D. Wallace worked for Clinton Laboratories at the X-10 Reactor.
