National Museum of Nuclear Science & History
J. R. Pierson 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.
J. C. Doucha worked for the J.A. Jones Construction Company.
Mack worked at the 300 Area at Hanford during the Manhattan Project.