<page_title> 91st United States Congress </page_title> <section_title> Senate </section_title> <table> <cell> George Murphy (R) <col_header> Vacator </col_header> </cell> <cell> Resigned January 2, 1971 <col_header> Reason for change </col_header> </cell> <cell> John V. Tunney (D) <col_header> Successor </col_header> </cell> <cell> January 2, 1971 <col_header> Date of successor's formal installation </col_header> </cell> </table>
George Murphy (R),served as senate until January 2, 1971, which was later served by John V. Tunney (D), from January 2, 1971 3.