National Museum of Nuclear Science & History
R. W. Addington worked for the J.A. Jones Construction Company.
Helen D. Thomson was in the Army Group at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Rozel E. Curtis was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Acken worked at the 200 West Area at Hanford during the Manhattan Project.
