D.W. Smith

N. J. Holland

N. J. Holland worked for the Roane-Anderson Company.

Daniel J. Keefe

Daniel J. Keefe was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

M. L. Piker

M. L. Piker worked for the Tennessee Eastman Corporation at the Y-12 Plant.

B. H. Shipe