National Museum of Nuclear Science & History
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.
Nathan Safferstein (1921-2013) was an American counterintelligence agent during the Manhattan Project.
Beatrice (Freeman) Sheinberg was a member of the Women’s Auxillary Corps (WAC) and worked at Los Alamos during the Manhattan Project.
