Floyd J. Ritchie

Jas C. Penny, Jr.

Jas Penny, Jr. worked for the Tennessee Eastman Corporation at the Y-12 Plant.

W. Maddox

W. Maddox worked in the shop at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

R. J. Rockstron

R. J. Rockstron worked for the United States Engineer District Office.

Robert M. Vanlyssel