Howard T. Parr

Mathias A. Klinger

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

Opal Adamson

Opal Adamson worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Norman R. Gilbert

F. I. Irwin

F. I. Irwin worked for the Tennessee Eastman Corporation at the Y-12 Plant.