George F. Popp

G. C. Henderson

G. C. Henderson worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Paul A. Clark

John P. Hove

John P. Hove was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Rufus C. King

Rufus King worked for the H. K. Ferguson Company.