National Museum of Nuclear Science & History
J. P. Marus worked for the J.A. Jones Construction Company.
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.
R. M. Saunders worked for the United States Engineer District Office.
Melvin S. Friedman was an associate chemist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
