National Museum of Nuclear Science & History
O. E. Brueggeman worked for the J.A. Jones Construction Company.
Porter Bone worked for the J.A. Jones Construction Company.
R. J. Guthrie worked for the Watson-Flagg Engineering Company.
Mary M. Dailey was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Grace Thompson was a stenographer at the Metallurgical Laboratory in Chicago during the Manhattan Project.
