Charles E. Frohn

William T. Kelley

William T. Kelley was drafted in 1942 into the Army and was assigned to the Corps of Engineers’ Manhattan District as part of the counterintelligence element of the project.

Carl E. Peterson

Dwight Smith Young

Dwight Young (1892-1975) was a professional photographer working at a box factory when he heard about an opening at the University of Chicago’s Metallurgical Laboratory.

Paul Aebersold

Paul Aebersold (1910-1967) was a nuclear physicist. He wrote his dissertation at Berkeley on “The Collimation of Fast Neutrons” and was involved in the development of the cyclotrons under Ernest Lawrence.