National Museum of Nuclear Science & History
MacDonald was a member of the Instrument Section at the University of Chicago’s Metallurgical Laboratory.
Herbert Depke was born November 18, 1907 in Danville, Illinois. He received a B.S. from the University of Illinois in 1930, then began working for his family’s business.
Ilse Perlman was a staff worker at Los Alamos during the Manhattan Project.
W. W. W. Vivian worked for the United States Engineer District Office.