Earl H. Hatton

Ralph W. Berger

Ralph Berger was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.

C. Cannon

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

E. E. Carter

E. E. Carter worked for the Roane-Anderson Company.

D. J. Cummings