R.R. Jetton

Isaac Halpern

Halpern worked in the United States Engineer District Office.

Glen Montgomery

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

Luciano H. Cadriel

Leamon L. Babb

Leamon Babb was a security guard at the Metallurgical Laboratory in Chicago during the Manhattan Project.