National Museum of Nuclear Science & History
Philip Vincent was a research associate at the Chicago Met Lab during the Manhattan Project.
Murphy worked for Stone and Webster Engineering Corporation.
Crawford Greenewalt (1902-1993) was an American chemical engineer. He was one of the managers of the Manhattan Project for DuPont.
Jesse Kupferberg was a Technical Sargeant in the US Army who participated in Project Alberta, the group tasked with transporting and assembling the two atomic bombs in 1945.