Bob Backus
... that track and field star Bob Backus, who set world records in the hammer throw, wore ballet slippers while competing?
... that <a class="mw-redirect" href="./Track_and_field_athletics" id="mwGa0" rel="mw:WikiLink" title="Track and field athletics">track and field</a> star <b id="mwGa4"><a href="./Bob_Backus" id="mwGa8" rel="mw:WikiLink" title="Bob Backus">Bob Backus</a></b>, who set world records in the <a href="./Hammer_throw" id="mwGbA" rel="mw:WikiLink" title="Hammer throw">hammer throw</a>, wore <a class="mw-redirect" href="./Ballet_slippers" id="mwGbE" rel="mw:WikiLink" title="Ballet slippers">ballet slippers</a> while competing?