John Quincy Adams
... that John Quincy Adams was the only American president to be elected as a member of House of Representatives after leaving the presidency?
... that <b id="mwAXA"><a href="./Electoral_history_of_John_Quincy_Adams" id="mwAXE" rel="mw:WikiLink" title="Electoral history of John Quincy Adams">John Quincy Adams</a></b> was the only <a href="./President_of_the_United_States" id="mwAXI" rel="mw:WikiLink" title="President of the United States">American president</a> to be elected as a member of <a href="./United_States_House_of_Representatives" id="mwAXM" rel="mw:WikiLink" title="United States House of Representatives">House of Representatives</a> after leaving the presidency?