G. E. Smith

Myron T. Groht

Groht worked for Stone and Webster Engineering Corporation.

W. H. Aitkens

Bruno Yurgaites

Bruno Yurgaites was a janitor at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.

Charlie C. Stallings

Charlie Stallings was a staff member at Los Alamos during the Manhattan Project.