National Museum of Nuclear Science & History
Lloyd H. Nelson served in the 320th Troop Carrier Squadron.
Babcock worked at the 300 Area at Hanford during the Manhattan Project.
C. M. Hart worked for the Harrison 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.
Ethaline Hartge Cortelyou was a junior chemist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.