National Museum of Nuclear Science & History
G. N. Smith worked for the Roane-Anderson Company.
Delbert Johnson was a mechanical engineer with the Special Engineer Detachment (SED) at Los Alamos. Johnson worked under 1st Lieutenant Howard C.
Dale Melugin worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Betty Mokstad was a laboratory technician in the Chemistry Division at the University of Chicago Met Lab.