Rellie R. Knowles

M. R. Stubbs

M. R. Stubbs worked for the Roane-Anderson Company.

George Williams

Duillio DiCostanzo

Duillio DiCostanzo worked at the shop in the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Joseph G. Hamilton

Joseph Gilbert “Joe” Hamilton (1907-1957) was a physician who directed biomedical research at the Berkeley site of the Manhattan Project.