National Museum of Nuclear Science & History
Marietta C. Moore was a technician in the Health Division at the University of Chicago Met Lab. She signed the Szilard petition.
Leo P. Hassen was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Caroline “Muffy” (née Tozzer) Buchanan worked as a secretary for the Manhattan Project at Los Alamos.
Henry Penninger served in the 393rd Bombardment Squadron.
