National Museum of Nuclear Science & History
H. D. Collins worked for the Tennessee Eastman Corporation at the Y-12 Plant.
William C. “Bill” Elmore was an American experimental physicist who served as the chairman of the Physics department at Swarthmore College from 1948 to 1968.
Albert E. Smith served in the 509th Headquarters.
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.