National Museum of Nuclear Science & History
E. T. O'Conner worked for the Roane-Anderson Company.
A.C. Tregillus was a procurement chief at the Metallurgical Laboratory in Chicago during the Manhattan Project.
William Tunnell worked for the Tennessee Eastman Corporation at the Y-12 Plant.
W. H. Hasse worked for the Tennessee Eastman Corporation at the Y-12 Plant.
