"Goodbye Columbus" author (4)
I believe the answer is:
roth
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">goodbye columbus author</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for roth that I've seen before include "Portnoy's Complaint author, d. 2018" , "American Jewish novelist, Philip, b. 1933" , "Philip --, US author" , "Author of Portnoy's Complaint, b. 1933" , "American writer" .)