Andrew J. Anderson

E. R. Wolfe

Gertrude Nissenbaum

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

Lawrence B. Magnusson

Lawrence B. Magnusson was a research associate at the Metallurgical Laboratory at the University of Chicago.

Frank Pratt

Frank Pratt worked for the J.A. Jones Construction Company.