National Museum of Nuclear Science & History
Blanton worked at the 300 Area at Hanford during the Manhattan Project.
Sanford McDonnell was a mechanical engineer with the Special Engineering Detachment at Los Alamos from April 1944 to April 1946.
Floyd Jessee was a member of the Military Police at Los Alamos.
Mary Elizabeth Barnes was a radiochemist working in the Y-12 Plant in Oak Ridge, Tennessee from 1946 to 1952.
