National Museum of Nuclear Science & History
H. M. Schenk worked for the United States Engineer District Office.
Roger Hildebrand is an American physicist and Manhattan Project veteran. He is the S.K. Allison Distinguished Service Professor, Emeritus, at the University of Chicago and is affiliated with the Enrico Fermi Institute.
T. A. Smith worked for the Tennessee Eastman Corporation at the Y-12 Plant.
