National Museum of Nuclear Science & History
Lucille Halverson worked for the Roane-Anderson Company.
W. A. Swanson worked for the Union Carbide & Carbon Corporation.
John Lansdale (1912 – 2003) was a colonel in the US Army. Lansdale first learned of the Manhattan project from National Defense Research Committee Chairman James B.
A. O. Seidel worked for the Asbestos & Magnesia Materials Company.
