National Museum of Nuclear Science & History
MacDonald was a member of the Instrument Section at the University of Chicago’s Metallurgical Laboratory.
Bernard Peters (1910-1993,) born Bernhard Pietrokowski, was a Polish-born physicist. Peters was born in Poland and later moved to Germany.
Ruth Rottman was a laboratory technician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Loy G. Whitaker Jr. served in the 393rd Bombardment Squadron.
R. H. Miller worked for the United States Engineer District Office.