National Museum of Nuclear Science & History
MacDonald was a member of the Instrument Section at the University of Chicago’s Metallurgical Laboratory.
Samuel R. Goldwasser worked as a Research Assistant at the Met Lab from October of 1943 to March of 1944.
A native of the West Virginia mountains, C. N. Gross came to Hanford in January, 1944, from Wilmington, to be a reactor consultant.