Gerald L. Constable

Ruth Hoffberg

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

A. J. O’Donnell

A. J. O'Donnell worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Alfred H. Patterson

William Cavin

William Cavin was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.