John Quincy Adams (1767–1848) American politician, 6th president of the United States (in office from 1825 to 1829)
Passage on Muhammad by an anonymous author in The American Annual Register for the Years 1827-8-9 (1830), edited by Joseph Blunt, Ch. X, p. 269. Robert Spencerattributed the authorship to Adams in The Politically Incorrect Guide to Islam (and the Crusades) (2005), p. 83, but provided no clear documentation as to why this attribution was made.
Disputed