Asper A. Artripe

Fred C. Dennis

Fred Dennis worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Lawrence Litz

Lawrence Litz was a young physicist when he began working on radioactivity at the Metallurgical Laboratory at the University of Chicago.

Joseph Caldwell

Joseph Caldwell was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

J. H. Sorenson