National Museum of Nuclear Science & History
P. N. Smith worked for the H. K. Ferguson Company.
C. C. Mullins worked for the Fercleve Corporation.
Anna Barbic was a laboratory assistant in the the Chemistry Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
William “Bill” J. Knox was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
