National Museum of Nuclear Science & History
Delbert Ball was a procurement officer at the Metallurgical Laboratory in Chicago during the Manhattan Project.
William Havens was an American physicist. Havens was born in 1920 in New York City. He received a B.S.
Sadelle T. Greenblatt was a research assistant in the Instruments Division of the University of Chicago’s Metallurgical Laboratory during the Manhattan Project.
Robert Reynolds was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.