National Museum of Nuclear Science & History
Long worked for Stone and Webster Engineering Corporation.
A. M. Brown worked for the Watson-Flagg Engineering Company.
J. D. Ellett worked at the 200 West Area at Hanford during the Manhattan Project.
Alan Vorwald was a mathematician in the Special Engineer Detachment at Los Alamos. Vorwald was a part of the theoretical physics division under Hans Bethe and Richard Feynman, specializing in the computing department.