Glenn E. Graham

R. I. Ainsworth

H. M. Ellis, Jr.

H. M. Ellis, Jr. worked for the Roane-Anderson Company.

Arthur S. Olson

Arthur S. Olson was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Waldo F. Christy

Waldo F. Christy was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.