Who was Vice President of the US in 1963?

Lyndon Johnson was the Vice President until November 22 when Kennedy was killed and

Johnson became President. After that, no one. (The office of Vice President was vacant from 1963-1965 due to Vice President Lyndon Baines Johnson having succeeded to the Presidency upon the death of President John Fitzgerald Kennedy. Senate President pro Tempore Carl Hayden served as acting President of the Senate thereby fulfilling the duties of the Vice President in the Senate,)