National Museum of Nuclear Science & History
Clarence Grover Sproul worked as a machinist on the Manhattan Project in Los Alamos, NM from January through June 1945.
Charles Bacon served in the 1st Ordnance Squadron.
Henry Fritz was a chemist in the Special Engineering Detachment assigned to the K-25 Plant in Oak Ridge, Tennesee.
J. G. Boyd worked for the Union Carbide & Carbon Corporation.