National Museum of Nuclear Science & History
Sadelle T. Greenblatt was a research assistant in the Instruments Division of the University of Chicago’s Metallurgical Laboratory during the Manhattan Project.
MacDonald was a member of the Instrument Section at the University of Chicago’s Metallurgical Laboratory.
Harrington worked at the 100-F Area at Hanford during the Manhattan Project.
Swanson worked at the 300 Area at Hanford during the Manhattan Project.