Michael J. Haluska

John J. Norton

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

Frederick J. Oates

W. R. Studhalter

W. R. Studhalter worked for the United States Engineer District Office.

Richard Watts

Richard Watts was a research assistant at the Chicago Met Lab and at Los Alamos during the Manhattan Project.