J. A. Wheeler

G. R. Bloomstrand

Irene Balawender

Irene Balawender was a stenographer in the Instrument Section at the Metallurgical Laboratory in Chicago during the Manhattan Project.

Walter R. Julek

Walter R. Julek was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

L. L. Long

L. L. Long worked for the William A. Pope Company.