National Museum of Nuclear Science & History
Byron Johnson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
A. T. Davies worked for the Roane-Anderson Company.
Gavin Hadden was an American civil engineer who served as special assistant to General Leslie R. Groves during the Manhattan Project.
Lester Orlan Keen worked as an engineering draftsman at Hanford during the Manhattan Project. His son, Jack Keen, was a young boy at the time.
Millard Ross was a staff worker at Los Alamos during the Manhattan Project.
