National Museum of Nuclear Science & History
N. C. Poe, Jr. worked for the Poe Piping & Heating Company.
Harold B. Nilling was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
C. O. Cassada worked for the J.A. Jones Construction Company.
Majory Danberg worked in the stenographic and clerical division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
