R. M. Hetzel

Herman R. Lichtman

J. Midkiff

J. Midkiff worked for the Edenfield Electric Company.

H. M. Lomasney

H. M. Lomasney worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Frank R. Johnson

Frank R. Johnson was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.