Unclued lights consist of a quotation (in ODQ), its speaker and source, and a synonym (one hyphened) of each of its three words. Its author appears in the grid and must be shaded.
 

Across

1    Excel as old Greek character among women (11)
11    Cable runs past part of bow (6)
13    Look in after settling vagrant (7)
15    Firework is dead wicked (5)
16    No hesitation in game giving derisive gesture (5)
17    Homer teacher’s badge of honour (6)
18    Holding first note, see about singing technique (5)
21    Cope, plain, fitted with skirt-like sections (5)
22    Minor storylines credited to important people bring in pounds (7, hyphened)
27    As...