National Museum of Nuclear Science & History
Donald Todd was a staff worker at Los Alamos during the Manhattan Project.
Mary Elizabeth Barnes was a radiochemist working in the Y-12 Plant in Oak Ridge, Tennessee from 1946 to 1952.
J. N. Trimble worked for the Tennessee Eastman Corporation at the Y-12 Plant.
A. B. Beddoe worked for the Fercleve Corporation.
