National Museum of Nuclear Science & History
G. C. Henderson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
H. H. Denny worked for the H. K. Ferguson Company.
Chesrown worked at the 300 Area at Hanford during the Manhattan Project.
George Cowan joined the Manhattan Project in 1942 at the Met Lab as a chemist for Enrico Fermi’s group, and also worked for Columbia University.