"The History Boys” playwright Bennett (4)
I believe the answer is:
alan
'the history boys playwright bennett' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for alan that I've seen before include "- Bennett, English actor, dramatist, writer" , "Sir -- Sugar (The Apprentice)" , "- Bennett, English dramatist, author" , "-- Sugar, British entrepreneur" , "Boy" .)