Robert L. Hostetler

M. F. Holt

William H. Zachariasen

William “Willie” H. Zachariasen was a physicist and consultant at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.

Hubert L. Cooper, Jr.

Hubert L. Cooper, Jr. served in the 1395th Military Police Company, Aviation. 

Clarence F. Hiskey

Clarence Francis Hiskey (1912-1998) was an American chemist and Soviet spy. He worked at Columbia University and the University of Chicago’s Metallurgical Laboratory during the Manhattan Project.