National Museum of Nuclear Science & History
Olga (Giacchetti) Fineman was a technical assistant in the Chemistry Division of the University of Chicago’s Metallurgical Laboratory during the Manhattan Project.
D. M. Ellett is a mechanical engineer who joined the Manhattan Project after the end of World War II.
Cloyd worked in the United States Engineer District Office.
John Vach was a guard at the Metallurgical Laboratory in Chicago during the Manhattan Project.
