H. G. Watkins

M. O. McKibbon

W. Stephens

W. Stephens worked for the Roane-Anderson Company.

William P. Jesse

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

G. E. Halm

Halm worked at the 300 Area at Hanford during the Manhattan Project.