L. C. Grabner

Gertrude Nissenbaum

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

E. L. Kelley

Margaret Strombeck

Margaret Strombeck was a swtichboard operator at the Metallurgical Laboratory in Chicago during the Manhattan Project.

A. B. Carper

A. B. Carper worked for the Tennessee Eastman Corporation at the Y-12 Plant.