Hyman Wexler

Darragh Nagle

Darragh Nagle graduated from Columbia University and worked with Enrico Fermi and Herbert Anderson at the Chicago Pile during the early years of the Manhattan Project.

L. F. Boland

E. W. Seckendorff

Seckendorff worked for Stone and Webster Engineering Corporation.

George W. Campbell

George W. Campbell was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.