John H. Smith

F. A. Barr

Barr worked for Stone and Webster Engineering Corporation.

A. W. Folsom

A. W. Folsom worked for the Roane-Anderson Company.

Roberta A. Edwards

Roberta A. Edwards was a lab technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Elton Stanfill