John Ingram

J. G. Ayre

J. G. Ayre worked for the J.A. Jones Construction Company.

Walter A. Baxter

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.

Mary Kelly

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