National Museum of Nuclear Science & History
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.
Paas worked in the 300 Area at Hanford during the Manhattan Project.
C. V. Edwards worked for the Watson-Flagg Engineering Company.
N. J. Holland worked for the Roane-Anderson Company.