Cynthia Redtke

R. G. Hester

R. G. Hester worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Alfred M. Large

Lillian Guadagna

Lillian Guadagna was a technician at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Frank A. Markli

Frank Markli worked for the Tennessee Eastman Corporation at the Y-12 Plant.