<page_title> List of mayors of Hamburg </page_title> <section_title> Weimar Republic 1919–1933 </section_title> <table> <cell> Rudolf Ross <col_header>  </col_header> </cell> <cell> Social Democratic Party (SPD) <col_header> Party </col_header> </cell> </table>
Rudolf Ross of the Social Democratic Party (SPD) was a Mayor of Hamburg.