National Museum of Nuclear Science & History
A. A. Carswell worked for the Roane-Anderson Company.
R. B. Smith 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.
E. A. McCaskill worked for the United States Engineer District Office.
