National Museum of Nuclear Science & History
Stanley Crouse, Jr. served in the 509th Headquarters and Base Services Squadron.
Colonel Arthur “Pete” V. Peterson was the Army’s area engineer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
William Jacob Knox was an American chemist. Knox was born in 1904 in New Bedford, Massachusetts. He attended Harvard University as an undergraduate, and went on to receive an M.
Robert Ball was a security guard at the Metallurgical Laboratory in Chicago during the Manhattan Project.