National Museum of Nuclear Science & History
Wallace Addis worked for the Kellex Corporation at the K-25 Plant.
L. J. Kuhne worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Bergdahl worked in the 200 West Area at Hanford during the Manhattan Project.
Marte Previti was a part of the Alsos Mission, a Manhattan Project effort in Europe to discover the progress of the German atomic project.