National Museum of Nuclear Science & History
Graham worked at the 300 Area at Hanford during the Manhattan Project.
Major General Kenneth Nichols (1907 – 2000) served as District Engineer of the Manhattan Engineer District.
Dennis J. Nyhan served in the 1st Ordnance Squadron.
Opaline Calhoun was a laboratory technician at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.