Patrick J. Joyce

Mary E. Parrish

Mary E. Parrish was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

B. B. Pewitt

B. B. Pewitt worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Chester A. McConaghy

Dale Critselous

Critselous worked Stone and Webster Engineering Corporation.