||President pro Tempore
of the Senate
|Speaker of the House
|1st||odd||21 January 1971||17 December 1971||Ellender, Allen J.|
Senate President pro Tempore Richard B. Russell died on 21 January 1971, the very day the 1st ("odd") session of the 92nd Congress convened: Senator Ellender was elected President pro Tempore by the Senate the following day (22 January 1972); thus, for all practical purposes, Senator Russell never actually served as President pro Tempore during the 92nd Congress.
|2nd||even||18 January 1972||18 October 1972||Ellender ;|
Eastland, James O.
Senate President pro Tempore Allen J. Ellender died on 27 July 1972; Senator Eastland was elected President pro Tempore by the Senate the following day (28 July 1972).