William E. Tewes

H. Courtney

H. Courtney worked for the Rock City Construction Company.

H. Belgorad

Clarence G. Bachman

Bachman worked in the United States Engineer District Office.

Gioacchino Failla

Gioacchino Failla was an Italian-American physicist who served as a consultant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.