C. B. Pettitt

J. W. Gates

J. W. Gates worked for the Tennessee Eastman Corporation at the Y-12 Plant.

H. J. Mack

H. J. Mack worked for the Edenfield Electric Company.

Marvin Cremer

Frank Karcher

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