Frank A. Mitch

G. T. Cooper

Majorie B. Housewright

Marjorie B. Housewright was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Olga (Giacchetti) Fineman

Olga (Giacchetti) Fineman was a technical assistant in the Chemistry Division of the University of Chicago’s Metallurgical Laboratory during the Manhattan Project.

J. F. Grafton

Grafton worked in the United States Engineer District Office.