National Museum of Nuclear Science & History
R. B. Jacobs worked for the Kellex Corporation at the K-25 Plant.
R. T. Bartnett worked for the Roane-Anderson Company.
Paul Willard was a staff worker at Los Alamos during the Manhattan Project.
Leroy Hartmann (1922 – 1944) was an electrical engineer in the Special Engineer Detachment Manhattan District CE in Oak Ridge.