National Museum of Nuclear Science & History
Lorene Sturgess was a staff worker at Los Alamos during the Manhattan Project.
J. J. Mitchell worked for the Fercleve Corporation.
Flannigan worked in the United States Engineer District Office.
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.