National Museum of Nuclear Science & History
R. L. Bennett worked for the Roane-Anderson Company.
Marguerite Anderson was a stenographer at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Daniel Pfaff was a staff worker at Los Alamos during the Manhattan Project.
Graf worked at the 300 Area at Hanford during the Manhattan Project.
R. A Winkel worked for the Union Carbide & Carbon Corporation. At Oak Ridge he assisted in the development of the K-25 plant.