English: This is the signature of David E. Lilienthal, former chairman of the United States Atomic Energy Commission, scanned and cropped from an inscription in his 1963 book Change, Hope and the Bomb, inscribed to James McCormack, former AEC Director of Military Applications. The inscribed copy was purchased by the uploader at a book sale at the United States Department of State in Washington, D.C. in the 1970s.