National Museum of Nuclear Science & History
L. A. Riden worked for the Tennessee Eastman Corporation at the Y-12 Plant.
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.
John Willard was a research associate at the Chicago Met Lab during the Manhattan Project.
