H. C. Orange

E. L. Chubb

T. Chellberg

Chellberg worked for Stone and Webster Engineering Corporation.

M. B. Coley

M. B. Coley worked for the J.A. Jones Construction Company.

Edward F. Kolley

Edward F. Kolley was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.