National Museum of Nuclear Science & History
Tommie Richardson was a staff worker at Los Alamos during the Manhattan Project.
Ross Hill worked for the United States Engineer District Office.
A member of the Special Engineer Detachment of the U.S. Army, Ray Stein participated in the Manhattan Project at Oak Ridge and was assigned to the Y-12 Plant.
B. P. Ciaccio served in the 509th Headquarters and Base Services Squadron.