National Museum of Nuclear Science & History
Norman F. Modine was a research assistant at the University of Chicago Met Lab. He was a signer of the Szilard petition.
Pierce worked for Stone and Webster Engineering Corporation.
Mary Lanahan was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Larue Tinsley served in the Army at Los Alamos during the Manhattan Project.