National Museum of Nuclear Science & History
R. V. Weisenfluh worked for the Union Carbide & Carbon Corporation.
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.
H. M. Ellis, Jr. worked for the Roane-Anderson Company.
R. J. Rockstron worked for the United States Engineer District Office.