National Museum of Nuclear Science & History
MacDonald was a member of the Instrument Section at the University of Chicago’s Metallurgical Laboratory.
Doris Gillette was an east Tennessee native who worked at Oak Ridge and Hanford during the Manhattan Project.
Benjamin (Ben) Miller began his career path to electrical engineering in the 1920s. After dropping out of high school in the 11th grade and working at a number of odd jobs, he was hired and trained as a lineman by the Philadelphia Electric Co.
Frederick D. Kopka served in the 1027th Air Material Squadron.