National Museum of Nuclear Science & History
Edward Denari worked for the Kellex Corporation at the K-25 Plant.
Marie Sperling was a staff worker at Los Alamos during the Manhattan Project.
William Bradshaw was a Mechanical Engineer working for the civilian contractor Tennessee Eastman at the Y-12 Plant in Oak Ridge, Tennessee.
J. B. Livingston worked for the Roane-Anderson Company. He was the first civilian employee on the ground at Oak Ridge.