Robert R. Coveyou

Dorothy C. Johnson

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

J. P. Underwood

J. P. Underwood worked for the Roane-Anderson Company.

E. D. Hand

J. H. Marsh

J. H. Marsh worked for the Kellex Corporation at the K-25 Plant.