Samuel E. Hale

D. H. Parrot

Brehon B. Somervell

Brehon Burke “Bill” Somervell (1892-1955) was a Lieutenant General in the US Army who commanded the Army Service Forces and supervised much of the Army’s involvement in the Manhattan Project.

A. J. Bruckert

Edward P. Hayes

Edward P. Hayes was a laboratory assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.