Arthur E. Josephson

T. J. O’Donnell

T. J. O’Donnell was the Shop Chief at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Gertrude Nissenbaum

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

W. A. Bogdanowiez

W. A. Bogdanowiez worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Henry M. Aurand