Skywalker of sci-fi (4)
I believe the answer is:
luke
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">skywalker of sci-fi</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for luke that I've seen before include "One of the Gospels" , "Physician gospeller" , "Matthew, Mark, - - and John" , "Third NT book" , "One of the four Evangelists" .)