National Museum of Nuclear Science & History
Butler worked at Los Alamos during the Manhattan Project.
Joseph Polakowski served in the 603rd Air Engineering Squadron.
Worthington worked in the chemical department of the Y-12 plant at Oak Ridge 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.