National Museum of Nuclear Science & History
Rich worked for Stone and Webster Engineering Corporation.
Barrett Castle worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Peggy Eileen (Johnson) Titterton was a laboratory assistant at Los Alamos and the wife of physicist Ernest Titterton.
Part of the Special Engineer Detachment (SED), Donald C. Harms was first sent to Oak Ridge, Tennessee, to work on the Manhattan Project.
Gaffney worked in the United States Engineer District Office.
