National Museum of Nuclear Science & History
Leo Perreault worked for the United States Engineer District Office.
Armstrong worked at the 200 West and 300 Areas at Hanford during the Manhattan Project.
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.
Donald Schover worked for Clinton Laboratories at the X-10 Reactor.
