L. G. Bagnall

J. E. Sampson

J. E. Sampson worked for the United States Engineer District Office.

A. J. LaBlanc, Jr.

A. J. LaBlanc, Jr. worked for the United States Engineer District Office.

Frank E. Keene

Frank E. Keene was a janitor at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

P. E. Cunningham