Henry J. Pepe

Julian N. Bernacchi

Julian N. Bernacchi had three main assignments in the Manhattan Project. The most significant was as the Security Officer of Dr.

V. L. Looney

V. L. Looney worked for the United States Engineer District Office.

Robert C. Hirt

Robert C. Hirt was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

R. C. Derrick