National Museum of Nuclear Science & History
L. Mayer worked for the Watson-Flagg Engineering Company.
Leo Wojtanowski worked in a shop at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.
Lillian Guadagna was a technician at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
F. J. Underwood worked for the Roane-Anderson Company.
