L. R. Borup

C. M. Hart

C. M. Hart worked for the Harrison Construction Company.

Helen E. Krinek

Helen E. Krinek was a research assistant in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

B. N. Stiller

B. N. Stiller worked for the United States Engineer District Office.

H.B. Shultz