Paul A. Lavernier

Richard Fox

Richard Fox worked in the shop at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Mary Fritzhoff

E. J. Beever

E. J. Beever worked for the Union Carbide & Carbon Corporation.

Ruth M. Rottman

Ruth Rottman was a laboratory technician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.