Harry D. Andritsis

E. M. Douglas

William H. Moore

William Moore worked for the Roane-Anderson Company.

R.J. Stephenson

R.J. Stepheson was a consultant at the Metallurgical Laboratory in Chicago during the Manhattan Project.

Philip Grant Koontz

Philip G. Koontz was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.