National Museum of Nuclear Science & History
E. S. Ethridge worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Jas Hart worked for the Comstock-Bryant Electric Company.
R. P. Seven worked for the United States Engineer District Office.
Harry Allen worked in procurement and supply for Los Alamos during the Manhattan Project. He was also involved in organizing preparations for the Trinity Test.
Grovsnor worked in the United States Engineer District Office.
