No president resigned in 1940. You might say Franklin Roosevelt re-signed a new Presidential contract in 1940 by running again and winning again. (1974 was the only presidential resignation when Nixon resigned due to Watergate.)
President Nixon
Gerald Ford was the only vice-president not elected. He was appointed VP when when the elected VP Agnew resigned resigned.
After Vice President Agnew resigned, he was replaced by Vice President (former Speaker of the House) Gerald Ford, who then became president after Richard Nixon resigned.
He was appointed to replace Vice-President Spiro T. Agnew when Agnew resigned and replaced President Richard Nixon when he resigned.
Gerald Ford. he was made VP after agnew resigned and bumped up to President when nixon resigned.
none The only U.S. President who resigned was Richard Nixon, on August 9, 1974. His first Vice President, Spiro Agnew, resigned ten months earlier, on October 10, 1973.
Nixon
the president that resigned is john Hanson
Gerald Ford became Nixon's Vice President after Agnew resigned. Thus when Nixon resigned, Ford was next in line and became President.
Gerald Ford took office after Richard M Nixon resigned.
Spiro Agnew was Richard Nixon's Vice President. When Agnew resigned, Gerald Ford became VP.
That would be Gerald Ford. He became VP under Nixon after Spiro Agnew resigned, and then ascended to President after Nixon resigned.