National Museum of Nuclear Science & History
A. O. Seidel worked for the Asbestos & Magnesia Materials Company.
Menges was an Area Engineer and Area Supervisor at the Hanford Engineer Works. He was in the US Navy (USNR) until June of 1943 when he was injured in an explosion on his destroyer.
Richard Nuckolls was a staff worker at Los Alamos during the Manhattan Project.
Worthington worked at the 300 Area at Hanford during the Manhattan Project.