Unclued lights (two of two words and one doing double duty), singly or paired, reveal some that are to be gone over, and two that famously did so. Ignore one accent and two apostrophes.
 

Across

 
1    Paradoxical suit, a product of mine (13, two words)
9    Police once crashed into rumpus (7)
14    Arrest in short case (6)
16    Had a row: shouted head off (5)
20    Malarial fever recently back, affecting a layer of the retina (7)
21    Move elsewhere — what, in stir? (7)
23    Match item of furniture (7)
24    Radiance recognised to capture hearts (5)
25    Maybe hear one trying to please all creatures (5)
27    Affected by wind, one I alone suffer (7)
30    Good health entails exercising (7)
31    Teams that appear one by one? (7)
36    Not all the men desire to improve (5)
37    Watch ballot box in dump (6)
38    Orange, for example, is a factor (5)
39    Sumptuous work is short, granted (7)
40    Zulu leader puts black stuff on one round house (7)
41    English team mired in liquid grey cement make escape (13, two words)
 

Down

 
2    Since leaving Caracas, moving here? (5)
3    Sort of agreeable afternoon (5)
4    Besotted, I have to adopt new look (6, two words)
5    Hate husband going for muscle that degrades with friction (7)
6    Commonly cheat, trapping highest person of influence (7)
7    Want recipe in passing (6)
8    Remains nearly united about lake’s colouring (9, two words)
10    Recalcitrant, impossible to identify if note misplaced (10)
13    Bristles, upset by a satire (7)
21    Scientific instrument gets one thinking (9)
26    A bank clerk changes a pound for one in workroom (7)
28    Linked by a door, follow round it (7, two words)
30    Unduly force a natural tendency (6)
32    Technically obsessed, say, over working out key (5)
33    After Advent regularly steer clear of poison (5)
34    Let in millions through opening (5)
 
A first prize of £30 for the first correct solution opened on 17 November. There are two runners-up prizes of £20. (UK solvers can choose to receive the latest edition of the Chambers Dictionary instead of cash— ring the word ‘Dictionary’.) Entries to: Crossword 2186, The Spectator, 22 Old Queen Street, London SW1H 9HP. Please allow six weeks for prize delivery.