National Museum of Nuclear Science & History
C. A. Norris worked for the Midwest Piping and Supply Company.
Minnie (Heller) Steinberg was a junior biologist in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
J. R. Thompson worked for the J.A. Jones Construction Company.
Robert Hargraves worked for the H. K. Ferguson Company.
