National Museum of Nuclear Science & History
Clarence Francis Hiskey (1912-1998) was an American chemist and Soviet spy. He worked at Columbia University and the University of Chicago’s Metallurgical Laboratory during the Manhattan Project.
Bernard Waldman (1913-1986) was an American physicist who became the Associate Director of the National Superconducting Cyclotron Laboratory at Michigan State University (NSCL).
Ben Benjamin was a sergeant in the Special Engineer Detachment during the Manhattan Project. He had previously worked in industry making lenses and prisms, and was assigned to the Optics Group to help with photographing the Trinity Test.