National Museum of Nuclear Science & History
C. M. Hart worked for the Harrison Construction Company.
J. B. McCullough served in the 509th Headquarters and Base Services Squadron.
John Deal worked for the Kellex Corporation at the K-25 Plant.
Barnes worked in the United States Engineer District Office.
H.A. Fettinger was a junior physicist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
