Margaret Brown

L. J. Michael

Gertrude Nissenbaum

Gertrude Nissenbaum was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

C. H. Smith

C. H. Smith worked for the J.A. Jones Construction Company.

Richard G. Pershing

Richard Pershing served in the Army at Los Alamos during the Manhattan Project.