National Museum of Nuclear Science & History
Ellsworth Risley was a staff worker at Los Alamos during the Manhattan Project.
Frances T. Janis was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
C. D. W. Thornton worked for the Tennessee Eastman Corporation at the Y-12 Plant.
R. C. Chandler worked for the Edenfield Electric Company.