Arthur G. Barney

William M. Depa

Paul J. Cummings

Cummings worked for Stone and Webster Engineering Corporation.

Fredrick “Fred” D. Johnson

Fredrick “Fred” D. Johnson was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Stanton B. Smith

Stanton B. worked for the Tennessee Eastman Corporation at the Y-12 Plant.