National Museum of Nuclear Science & History
M. M. Litowitz served in the 390th Air Service Group.
Freddie Denton served in the 1st Ordnance Squadron.
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.
Celia Szapka Klemski was working as a secretary for the State Department in Washington, DC when she was transferred to Manhattan to work on the Manhattan Project in 1942.
