National Museum of Nuclear Science & History
H. P. Graves worked in the United States Engineer District Office.
Francis O’Sullivan worked for the United States Engineer District Office.
William W. Atterson lived in Oak Ridge Tennessee and worked at the Y-12 plant where he was in charge of keeping the machine’s working and making sure the work place was running smoothly.
Tom Mulcahey was a staff worker at Los Alamos during the Manhattan Project.
L. A. Castellanos worked for the J.A. Jones Construction Company.
