George B. Dewitt

Sybil M. Holern

Frederick Kalinoff

Frederick Kalinoff worked for the Roane-Anderson Company.

M. W. Mills

M. W. Mills worked for the Union Carbide & Carbon Corporation.

Rudolf Peierls

Sir Rudolf Peierls (1907-1995) was a German-born British physicist. In March 1940, Peierls and fellow collegue Otto Frisch co-authored the Frisch-Peierls memorandum, the first technical exposition of a practical atomic weapon.