National Museum of Nuclear Science & History
H. A. Rehnberg worked for the Kellex Corporation at the K-25 Plant.
A. O. Seidel worked for the Asbestos & Magnesia Materials Company.
Richard Recker served in the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.
Sandy M. Bingman served in the 603rd Air Engineering Squadron.
