National Museum of Nuclear Science & History
G. A. Nichols worked for the United States Engineer District Office.
Holt worked for Stone and Webster Engineering Corporation.
Robert Marshak was an American physicist. Marshak was born in 1916 in New York City. He received a B.
Carl Leonard worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Edna Sypult was a laboratory helper at the Metallurgical Laboratory in Chicago during the Manhattan Project.