William L. Nash

B.I. Showker

Clarence F. Hiskey

Clarence Francis Hiskey (1912-1998) was an American chemist and Soviet spy. He worked at Columbia University and the University of Chicago’s Metallurgical Laboratory during the Manhattan Project.

M. L. Jackson

M. L. Jackson worked for the J.A. Jones Construction Company.

D. L. Donavan

D. L. Donavan worked for the Roane-Anderson Company.