D. M. Jackson

Arthur L. Hughes

Arthur L. Hughes was an British/Welsh physicist. He worked on the Manhattan Project in St. Louis on the cyclotron and plutonium production and at Los Alamos, NM.

G. E. Johnson

G. E. Johnson worked for the United States Engineer District Office.

Charles P. Blaise

Robert W. Ball

Robert Ball was a security guard at the Metallurgical Laboratory in Chicago during the Manhattan Project.