Frank D. Box

Ruth Hoffberg

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

Ellen M. Skirmont

Ellen Skirmont was a laboratory technician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.

H. S. Thompson

Jas J. Rose

Jas Rose worked for the United States Engineer District Office.