National Museum of Nuclear Science & History
E. T. O'Conner worked for the Roane-Anderson Company.
Beatrice Foreman was a laboratory technician in the Chemistry Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Fredrick “Fred” D. Johnson was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Dean Castimore was a Manhattan Project veteran and a fireman. During the war he was stationed at Los Alamos.
