James P. Bryan

Anthony W. Matukonis

Leroy M Hartmann

Leroy Hartmann (1922 – 1944) was an electrical engineer in the Special Engineer Detachment Manhattan District CE in Oak Ridge.

Joe Stalder

Stalder worked for Stone and Webster Engineering Corporation.

Norman Goldstein

Norman Goldstein was a junior physicist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.