Richard H. Harrison

R. F. Ridgeway

R. F. Ridgeway worked for the Roane-Anderson Company.

G. B. McDonald

R. V. Weisenfluh

R. V. Weisenfluh worked for the Union Carbide & Carbon Corporation.

Frank G. Foote

Frank Foote was the Principal Metallurgist at the Manhattan Project’s Metallurgical Laboratory at the University of Chicago.