to 2129: DUMPYNOSE

The unclued lights (1A, 1D/36, 4/31D, 5/27, 15/16A, 16D, 25A/40, 42 are each the PSEUDONYM (anagram of ‘Dumpynose’) of a famous celebrity. See Brewer 17th edition revised, page 1112 et seq.
 
First prize Mike Underwood, Auvillar, France
Runners-up Anthony H. Harker, Oxford;
Gillian Ollerenshaw, Bowdon, Altrincham