National Museum of Nuclear Science & History
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.
Fred Sexton worked for the Tennessee Eastman Corporation at the Y-12 Plant.
John Bray worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Hilgeman worked at the 100-D Area at Hanford during the Manhattan Project.
