National Museum of Nuclear Science & History
Vivian Stark was a laboratory technician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
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.
Alfred Neyens served in the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.
