National Museum of Nuclear Science & History
J. C. Watkins worked for the United States Engineer District Office.
H. G. Arnett worked for the Roane-Anderson Company.
Betty Mokstad was a laboratory technician in the Chemistry Division at the University of Chicago Met Lab.
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.
