National Museum of Nuclear Science & History
W. O. Nelson worked for the J.A. Jones Construction 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.
Carothers worked in the United States Engineer District Office.
T. H. Little worked for the Tennessee Eastman Corporation at the Y-12 Plant.
