National Museum of Nuclear Science & History
E. L. Olson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
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.
Marion R. Villarreal served in the 603rd Air Engineering Squadron.
Margaret M. Emmerson was a technician at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
