Blanche Descartes
... that the mathematician W. T. Tutte refused to admit that Blanche Descartes was a collective pseudonym?
... that the <a href="./Mathematician" id="mwB5s" rel="mw:WikiLink" title="Mathematician">mathematician</a> <a href="./W._T._Tutte" id="mwB5w" rel="mw:WikiLink" title="W. T. Tutte">W. T. Tutte</a> refused to admit that <b id="mwB50"><a href="./Blanche_Descartes" id="mwB54" rel="mw:WikiLink" title="Blanche Descartes">Blanche Descartes</a></b> was a collective <a href="./Pseudonym" id="mwB58" rel="mw:WikiLink" title="Pseudonym">pseudonym</a>?