National Museum of Nuclear Science & History
John Baker worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Harding worked at the 300 Area at Hanford during the Manhattan Project.
Gavin Hadden was an American civil engineer who served as special assistant to General Leslie R. Groves during the Manhattan Project.
N. B. Walsh worked for the United States Engineer District Office.
Clarence Trammell was a staff worker at Los Alamos during the Manhattan Project.
