National Museum of Nuclear Science & History
Sadler worked at the 100-B Area at Hanford during the Manhattan Project.
Dr. Leslie T. McClinton was a research assistant at the University of Chicago Met Lab. After three months of working at the Met Lab, McClinton was transferred to Oak Ridge in 1943.
Anthony J. (“Tony”) Matz was a procurement officer at the University of Chicago Met Lab. He helped obtain, handle, and move many of the materials for Chicago Pile-1 and witnessed it going critical on December 2, 1942.