National Museum of Nuclear Science & History
E. T. O'Conner worked for the Roane-Anderson Company.
Lewis Worth Seagondollar was an American physicist who worked at Los Alamos during the Manhattan Project.
Roberta A. Edwards was a lab technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Robert S. Coles was a research associate at the University of Chicago’s Metallurgical Laboratory during the Manhattan Project.