C. F. Haeske

Esther Turovlin

Esther Turovlin worked on the Manhattan Project at Chicago as a secretary, including for Enrico Fermi.

G. W. Flack

G. W. Flack worked for the Union Carbide & Carbon Corporation.

S. A. Ravenbyrne

Joseph H. Heartberg

Joseph H. Heartberg was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.