O. R. Volk

J. H. Leppert

J. H. Leppert worked for the Tennessee Eastman Corporation at the Y-12 Plant.

W. Mabrey

Eleanor Lewis

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

R. F. Keenan

Keenan worked for Stone and Webster Engingeering Corporation.