James R. McGuffey

J.N. Hull

Valentin Padilla

Valentin Padilla was a staff worker at Los Alamos during the Manhattan Project.

A. W. Betts

Colonel Austin Wortham “Cy” Betts worked under General Kenneth D. Nichols during the Manhattan Project.

William Walter Atterson

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.