Federico Romero
... that Spanish poet and librettist Federico Romero was originally a mining engineer?
... that Spanish poet and <a href="./Libretto" id="mwGbU" rel="mw:WikiLink" title="Libretto">librettist</a> <b id="mwGbY"><a href="./Federico_Romero" id="mwGbc" rel="mw:WikiLink" title="Federico Romero">Federico Romero</a></b> <i id="mwGbg">(pictured)</i> was originally a <a href="./Mining_engineering" id="mwGbk" rel="mw:WikiLink" title="Mining engineering">mining engineer</a>?