Willie Wonka creator (4)
I believe the answer is:
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">willie wonka creator</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 dahl that I've seen before include "Roald - - (deviser of Willy-Wonka)" , "Model" , "British writer of many children's books, d. 1990" , "Roald -, British writer" , "British author, notably of children's books, d.1990" .)