Lyndon B. Johnson
The vice presidency was vacant from Nov 22 1963 to Jan 20 1965 when Hubert Humphrey became vice president as LBJ's running mate. Hubert Humphrey
Franklin Delano Roosevelt 1933-1945.
Lyndon Baines Johnson who had been a member of the US House of Representatives fr 12 years, a US Senator for 12 years, and had experience as the Majority Whip, Senate Minority leader and the Senate...
He won most of the votes in the elections ...