Lois Graham
... that in 1959, Lois Graham became the first woman in the United States to earn a PhD in mechanical engineering?
... that in 1959, <b id="mwAuA"><a href="./Lois_Graham" id="mwAuE" rel="mw:WikiLink" title="Lois Graham">Lois Graham</a></b> became the first woman in the United States to earn a PhD in <a href="./Mechanical_engineering" id="mwAuI" rel="mw:WikiLink" title="Mechanical engineering">mechanical engineering</a>?