National Museum of Nuclear Science & History
John Nicklin worked for the United States Engineer District Office.
John Lansdale (1912 – 2003) was a colonel in the US Army. Lansdale first learned of the Manhattan project from National Defense Research Committee Chairman James B.
C. C. Sowers worked for the Tennessee Eastman Corporation at the Y-12 Plant.
A. G. Underwood worked for the J.A. Jones Construction Company.
