<page_title> 91st United States Congress </page_title> <section_title> House of Representatives </section_title> <table> <cell> Melvin R. Laird (R) <col_header> Vacator </col_header> </cell> <cell> Resigned January 21, 1969, after being appointed United States Secretary of Defense <col_header> Reason for change </col_header> </cell> <cell> Dave Obey (D) <col_header> Successor </col_header> </cell> <cell> April 1, 1969 <col_header> Date of successor's formal installation </col_header> </cell> </table>
Melvin R. Laird (R), until January 21, 1969 and Succeeded by Dave Obey (D), from April 1, 1969.