National Museum of Nuclear Science & History
Tompkins worked for Stone and Webster Engineering Corporation.
Edna Sypult was a laboratory helper at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Rex Edward Keller was a member of the Special Engineering Detachment, assigned to work in Seth Neddermeyer’s chemistry group at Los Alamos.
Harry Faulkner worked for the Tennessee Eastman Corporation at the Y-12 Plant.
