National Museum of Nuclear Science & History
Rose Roberts was a staff worker at Los Alamos during the Manhattan Project.
R. B. Smith worked for Clinton Laboratories at the X-10 Reactor.
Philipp Klein was a part-time switchboard operator in the SAM Lab while studying chemical engineering at Columbia University.
Russell worked at the 100-D Area at Hanford during the Manhattan Project.
John D. Robey served in the radar section of the 393rd Bombardment Squadron.
