National Museum of Nuclear Science & History
Malcolm McEwen worked for the United States Engineer District Office.
Norman F. Modine was a research assistant at the University of Chicago Met Lab. He was a signer of the Szilard petition.
Dorothea Sacher was a non-techical staff worker at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Libby worked in the 200 W Area at Hanford during the Manhattan Project.
