National Museum of Nuclear Science & History
J. L. Hartman worked for the J.A. Jones Construction Company.
Winifred T. Koziolek was a laboratory technician the Chemistry Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
David P. Rudolph was an administrator in charge of inventory at the Chicago Metallurgical Laboratory.
N. B. Newcomb worked for the Kellex Corporation at the K-25 Plant.