J. R. Wallace

Gene Zirbel

Norman F. Modine

Norman F. Modine was a research assistant at the University of Chicago Met Lab. He was a signer of the Szilard petition.

Ruth Hoffberg

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

J. P. Manning

Manning worked for Stone and Webster Engineering Corporation.