National Museum of Nuclear Science & History
Sayers worked for Stone and Webster Engineering Corporation.
Sloan worked at the 100-B Area at Hanford during the Manhattan Project.
Tom Mulcahey was a staff worker at Los Alamos during the Manhattan Project.
Leonard Czarniecki served as procurement planning and control officer with 9812th Technical Services Unit (Special Engineer Detachment) at Oak Ridge, TN, with the Y-12 Plant.
