National Museum of Nuclear Science & History
B. C. Nylen worked for Clinton Laboratories at the X-10 Reactor.
Gertrude Nissenbaum was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Pettengill served in the 393rd Bombardment Squadron.
E. C. Cain worked for the Tennessee Eastman Corporation at the Y-12 Plant.
