National Museum of Nuclear Science & History
V. Flagg worked for the Watson-Flagg Engineering Company.
Archie Massey worked for the Kellex Corporation at the K-25 Plant.
Reynolds worked at the 100-F area at Hanford during the Manhattan Project.
Martha G. Johnson was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.