National Museum of Nuclear Science & History
B. D. Ferguson worked for the Kellex Corporation at the K-25 Plant.
William O’Brien worked for the United States Engineer District Office.
Roberta Shor was a chemist at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Margaret Caldes moved to Los Alamos when her husband, William E. Caldes, was recruited to join the project in 1943.
