Nancy Merki
...that American swimmer Nancy Merki began swimming at age 8 after contracting polio, and set three national swimming records at age 13? 
...that <a href="./United_States" id="mwBsY" rel="mw:WikiLink" title="United States">American</a> swimmer <b id="mwBsc"><a href="./Nancy_Merki" id="mwBsg" rel="mw:WikiLink" title="Nancy Merki">Nancy Merki</a></b> began swimming at age 8 after contracting <a class="mw-redirect" href="./Poliomyelitis" id="mwBsk" rel="mw:WikiLink" title="Poliomyelitis">polio</a>, and set three national swimming records at age 13? <div about="#mwt12" class="" data-mw='{"parts":[{"template":{"target":{"wt":"-","href":"./Template:-"},"params":{},"i":0}}]}' id="mwBso" style="clear:both;" typeof="mw:Transclusion"></div>