National Museum of Nuclear Science & History
Evelyn Sargent was a staff worker at Los Alamos 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.
C. P. Coleman worked for the J.A. Jones Construction Company.
Sloan worked at the 100-B Area at Hanford during the Manhattan Project.