James R. Daly

W. H. Zimmer

W. H. Zimmer worked for the United States Engineer District Office.

Frank Karcher

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

James V. Donahue

E.B. Ives

Ives worked at the 300 Area at Hanford during the Manhattan Project.