Robert B. Jacks

Arthur Buck

Arthur Buck was a security guard for the Metallurgical Laboratory (“Met Lab”) at the University of Chicago during the Manhattan Project.

Louis Spector

Louis Spector worked for the United States Engineer District Office.

Joseph Hirt

Shirley Nyden

Shirley Nyden was a laboratory technician in the Chemistry Division at the University of Chicago Met Lab between June and December of 1944.