John F. Schafnitz

Norman Krieger

S. A. Gilgon

S. A. Gilgon worked for the Roane-Anderson Company.

James Downey

James Downey was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

V. Selton

Selton worked at the 200 West Area at Hanford during the Manhattan Project.