National Museum of Nuclear Science & History
Roy Schroeder was a laboratory assistant at the Metallurgical Laboratory in Chicago 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.
Remaly worked at the 200 West area at Hanford during the Manhattan Project.
Andrew Welch was a janitor at the Chicago Met Lab during the Manhattan Project.