Intellectual person (7)
I believe the answer is:
egghead
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">intellectual person</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for egghead that I've seen before include "Intellectual, studious academic" , "brain" , "Intellectual (sl.)" , "Ovoid-shaped intellectual" , "Intellectual - highbrow" .)