National Museum of Nuclear Science & History
Bryan Boyd worked for the J.A. Jones Construction Company.
Joanna Brumfiel was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
T. W. Brownback worked for the Red Cross.
John Mihalkanin was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
