National Museum of Nuclear Science & History
S. N. Smith worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Marte Previti was a part of the Alsos Mission, a Manhattan Project effort in Europe to discover the progress of the German atomic project.
Omer Dearen worked for the Roane-Anderson Company.
Charles Schallis (1898-1965) was a staff worker at Los Alamos during the Manahttan Project.