National Museum of Nuclear Science & History
Halpern worked in the United States Engineer District Office.
Edward Shapiro was an American scientist and Manhattan Project veteran. After receiving a Ph.D. from Purdue University, Shapiro worked as a research associate for the Manhattan Project at the Metallurgical Laboratory in Chicago and at Oak Ridge.
Homer W. Ibser was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
