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.
John D. Watson was an American civil engineer. In 1942, he joined the J.A. Jones Construction Company.
J. J. Donovan worked for the H. K. Ferguson Company.
