National Museum of Nuclear Science & History
Rau worked for Stone and Webster Engineering Corporation.
Edgar G. Wagner served in the 393rd Bombardment Squadron.
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.
Ralph McElroy worked for the Kellex Corporation at the K-25 Plant.
