National Museum of Nuclear Science & History
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.
Perry worked in the 200 West Area at Hanford during the Manhattan Project.
Clyde Ramsey worked for the Tennessee Eastman Corporation at the Y-12 Plant.