Joseph H. Cummins

Granville K. Hartley

Granville K. Hartley served in the 1027th Air Material Squadron. 

Sidney Williams

Sidney Williams was a janitor at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.

Beth Olds

Beth Olds was a secretary at the University of Chicago Met Lab and at Oak Ridge, Tennessee. After the war, she became executive secretary for the Emergency Committee of Atomic Scientists and the Atomic Scientists of Chicago, publishers of the Bulletin of the Atomic Scientists.

W. J. Dinsmore