National Museum of Nuclear Science & History
Joseph Ryan was a staff worker at Los Alamos during the Manhattan Project.
Long worked for Stone and Webster Engineering Corporation.
Celia Szapka Klemski was working as a secretary for the State Department in Washington, DC when she was transferred to Manhattan to work on the Manhattan Project in 1942.
Nelson Tibbatts worked for the Tennessee Eastman Corporation at the Y-12 Plant.
