National Museum of Nuclear Science & History
Mars worked for Stone and Webster Engineering Corporation.
J. T. Deegan worked for the Combustion Engineering Company.
Betty Murray was a technician in the Solvent-Extraction Group at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Pauline McGrath was a secretary at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
