Gonzalo Castellot Madrazo
... that Gonzalo Castellot Madrazo was the first announcer to appear on Mexican television?
... that <b id="mwA6w"><a href="./Gonzalo_Castellot_Madrazo" id="mwA60" rel="mw:WikiLink" title="Gonzalo Castellot Madrazo">Gonzalo Castellot Madrazo</a></b> was the first announcer to appear on <a href="./Television_in_Mexico" id="mwA64" rel="mw:WikiLink" title="Television in Mexico">Mexican television</a>?