National Museum of Nuclear Science & History
John Nicklin worked for the United States Engineer District Office.
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.
Williamson worked at the 300 Area at Hanford during the Manhattan Project.
Roy Vankirk was a staff worker at Los Alamos during the Manhattan Project.
