R.L. Hurley

J. A. Brynildson

Margaret Brown

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

Franklin V. Summers

Franklin Summers worked for the United States Engineer District Office.

Ogle W. Hess

Olge W. Hess was a research assistant at the University of Chicago’s Metallurgical Laboratory.