Elbert Frank Cox
...that Elbert Frank Cox was the first black person in the world to get a Ph.D in mathematics?
...that <b id="mwBOw"><a href="./Elbert_Frank_Cox" id="mwBO0" rel="mw:WikiLink" title="Elbert Frank Cox">Elbert Frank Cox</a></b> was the first <a class="mw-redirect" href="./Black_(people)" id="mwBO4" rel="mw:WikiLink" title="Black (people)">black person</a> in the world to get a <a class="mw-redirect" href="./Ph.D" id="mwBO8" rel="mw:WikiLink" title="Ph.D">Ph.D</a> in <a href="./Mathematics" id="mwBPA" rel="mw:WikiLink" title="Mathematics">mathematics</a>?