The term 'Nixon Successor' refers to the person who succeeded Richard Nixon as President of the United States. The two crossword solutions for this term are 'FORD' (4 letters) and 'Gerald FORD' (10 letters). Gerald FORD was the 38th President of the United States, serving from 1974 to 1977. He was the only President to have never been elected to either the presidency or the vice-presidency, having been appointed to both offices. FORD was appointed Vice President after Spiro Agnew resigned in 1973, and he assumed the presidency after Nixon resigned in 1974.