National Museum of Nuclear Science & History
J. M. Allen worked for the Tennessee Eastman Corporation at the Y-12 Plant.
McKnight worked in the 100 B Area at Hanford during the Manhattan Project.
Mary Elizabeth Barnes was a radiochemist working in the Y-12 Plant in Oak Ridge, Tennessee from 1946 to 1952.
Robert Thompson was a staff worker at Los Alamos during the Manhattan Project.
