H. C. Hall

J. G. Reynolds

Reynolds worked for Stone and Webster Engineering Corporation.

Charles Passage

M. A. Corbin

M. A. Corbin worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Opaline Calhoun

Opaline Calhoun was a laboratory technician at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.