National Museum of Nuclear Science & History
R. T. Bartnett worked for the Roane-Anderson Company.
Henry Warwick worked for the A. S. Schulman Electric Company.
Gordon Smith was a chemical engineer in the 9812th Technical Service Unit of the U. S. Army Corps of Engineers Special Engineer Detacment at the Clinton Engineer Works in Oak Ridge.
McMahon worked in the 100 D Area at Hanford during the Manhattan Project.
