<page_title> List of world number one snooker players </page_title> <section_title> Periods </section_title> <table> <cell> Cliff Thorburn <col_header> Player </col_header> </cell> <cell> 21 April 1981 <col_header> From </col_header> </cell> <cell> 16 May 1982 <col_header> To </col_header> </cell> </table>
Thorburn held the number one ranking in the 1981/82 season.