George Aitken
... that rugby union player George Aitken captained New Zealand against South Africa before later playing for Scotland in their first ever Five Nations Grand Slam?
... that <a href="./Rugby_union" id="mwCdk" rel="mw:WikiLink" title="Rugby union">rugby union</a> player <b id="mwCdo"><a href="./George_Aitken_(rugby_union)" id="mwCds" rel="mw:WikiLink" title="George Aitken (rugby union)">George Aitken</a></b> captained <a href="./New_Zealand_national_rugby_union_team" id="mwCdw" rel="mw:WikiLink" title="New Zealand national rugby union team">New Zealand</a> against <a href="./South_Africa_national_rugby_union_team" id="mwCd0" rel="mw:WikiLink" title="South Africa national rugby union team">South Africa</a> before later playing for <a href="./Scotland_national_rugby_union_team" id="mwCd4" rel="mw:WikiLink" title="Scotland national rugby union team">Scotland</a> in their first ever <a href="./Six_Nations_Championship" id="mwCd8" rel="mw:WikiLink" title="Six Nations Championship">Five Nations</a> <a href="./Grand_Slam_(rugby_union)" id="mwCeA" rel="mw:WikiLink" title="Grand Slam (rugby union)">Grand Slam</a>?