Who was vice president from nov.22, 1963 until jan 20, 1965?

[Skulnik]

President Johnson was without a vice president from November 22, 1963 until January 20, 1965. President Johnson's running mate in the 1964 election was Hubert H. Humphrey; and following
their victory, Humphrey was sworn in as President Johnson's vice president on Inauguration Day, January
20, 1965.

 

[Morris]

Nobody. The left the position vacant.