National Museum of Nuclear Science & History
Catherine Newton worked for the United States Engineer District Office.
Willard worked at the 300 Area at Hanford during the Manhattan Project.
C. W. Gray worked for the Edenfield Electric Company.
O’Connell worked in the 200 West Area at Hanford during the Manhattan Project.
Sadelle T. Greenblatt was a research assistant in the Instruments Division of the University of Chicago’s Metallurgical Laboratory during the Manhattan Project.
