Carl G. Karpinski

William Spack, Jr.

J. E. Crawford

J. E. Crawford worked for the Midwest Piping and Supply Company.

M. J. Wheat

M. J. Wheat worked for the Midwest Piping and Supply Company.

Thomas D. Guilfoyle

Thomas Guilfoyle was a member of the Military Police at the University of Chicago's Metallurgical Lab from 1943 to 1945.