Earl L. Kelso

J. B. Eneboe

Eneboe worked in the United States Engineer District Office.

L. G. A. Casey

John Mihalkanin

John Mihalkanin was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Joseph LaRocco

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