William A. Smith

E. M. Rogers

E. M. Rogers worked for the United States Engineer District Office.

Henry C. Cox

Frank Karcher

Sergeant Frank Karcher was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Hester Moore

Hester Moore was a supervisor in the Communications Department at the Manhattan Project’s Hanford, Washington site during World War II.