National Museum of Nuclear Science & History
E. S. Ethridge worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Joseph Qualey worked for the Fercleve Corporation.
Secundino Roybal was a staff worker at Los Alamos during the Manhattan Project.
D. W. McLean worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Bryson worked at the 300 Area at Hanford during the Manhattan Project.