National Museum of Nuclear Science & History
G. M. Dodd worked for the Watson-Flagg Engineering Company.
Mary Fair worked as a lab assistant at the Metallurgical Lab at the University of Chicago. She was not sure of the purpose of her work, but often used radiation detecting devices in the experiments.
Joseph Levinger was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Ruska worked for Stone and Webster Engineering Corporation.