1-across – See 15 : ELIOT

4-across – See 12 Down : CHAUCER

8-across – Device to increase traction on wheels of tractors and tanks : GROUSER

9-across – Essential oil and resin taken from Canarium luzonicum : ELEMI

10-across – Australian tennis great : RODLAVER

11-across – US state bordered by Idaho and Arizona : UTAH

13-across – Ursula K. __, science fiction author : LEGUIN

15-across – Pseudonym of Mary Ann Evans, commemorated in 21 4 down : GEORGE

17-across – Semicircular recess also known as an exedra : APSE

18-across – Type of conflict associated with the O.K. Corral? : GUNFIGHT

21-across – Section of Westminster Abbey in which eminent writers are commemorated : POETS

22-across – The __, verse tale by Lord Byron which inspired an opera by Verdi and a ballet by Adam : CORSAIR

23-across – Larry __, America’s Cup enthusiast and founder of Oracle : ELLISON

24-across – W.B. __, Irish poet : YEATS

1-down – Author for whom the Mystery Writers of America name their annual award : EDGARALLANPOE

2-down – Wiltshire manor known for its annual arts festival : IFORD

3-down – Australian island state : TASMANIA

4-down – See 21 Across : CORNER

5-down – Eve’s second son? : ABEL

6-down – Walled city on the Dee : CHESTER

7-down – The BBC’s flagship annual talk series : REITHLECTURES

12-down – The first writer to be honoured in 21 4 down : GEOFFREY

14-down – Elizabeth __, author of Mary Barton, and remembered in 21 4 down : GASKELL

16-down – Isadora __, US dancer : DUNCAN

19-down – Country whose first president was Kwame Nkrumah : GHANA

20-down – The Thames at Oxford : ISIS

7-across – US retail pioneer credited with inventing the price tag : JOHNWANAMAKER

8-across – Meat product produced by soaking beef in brine before seasoning : PASTRAMI

9-across – __ Kumar, comedian : NISH

10-across – English cricket captain fined for ball-tampering in 1994 : MICHAEL

12-across – Jo and Katy __, comedians : BRAND

14-across – Dame Nellie __, Australian soprano : MELBA

16-across – See 18 Down : PLESSIS

19-across – Mount __, Sicilian volcano : ETNA

20-across – See 10 : ATHERTON

22-across – Mint flavoured alcohol and cocktail ingredient : CREMEDEMENTHE

1-down – __ Klebb, Bond antagonist in From Russia With Love : ROSA

2-down – Guy Ritchie movie from 2000 : SNATCH

3-down – Medieval term for a Muslim Arab from which a London rugby club took its name : SARACEN

4-down – Australian cricket vice-captain who admitted ball-tampering in 2018 : DAVID

5-down – See 4 : WARNER

6-down – Capital of Finland : HELSINKI

11-down – The __, 1997 film by Ang Lee starring Kevin Kline and Sigourney Weaver : ICESTORM

13-down – Process by which base metals might become noble? : ALCHEMY

15-down – Johannes __, German composer known for his ‘variations’ on the works of others : BRAHMS

17-down – Seductive creatures of Greek mythology : SIRENS

18-down – South African cricket captain convicted of ball-tampering in 2013 and 2016 : FAFDU

21-down – The toe line in darts : OCHE

7-across – __ Mahler, Viennese socialite immortalised by Tom Lehrer? : ALMA

8-across – Aircraft used in the Hiroshima bombing of 6 August 1945 : ENOLAGAY

9-across – 1987 political thriller starring Kevin Costner and Sean Young : NOWAYOUT

10-across – Type of gentleman whose progress was documented by Hogarth? : RAKE

11-across – See 1 Down : LEONARD

13-across – Fictional animal hunted by Lewis Carroll? : SNARK

15-across – See 5 Down : BLOCK

17-across – Noir author whose Spenser stories are set in Boston : ROBERTB

20-across – Welsh hill, known in English as the Sugar Loaf : YFAL

21-across – See 2 Down : PARETSKY

23-across – James __, noir author whose Robicheaux stories are set in Louisiana : LEEBURKE

24-across – Norse god of wisdom and poetry : ODIN

1-down – Noir author whose novels are often set in Florida or Detroit : ELMORE

2-down – Noir author whose Warshawski stories are set in Chicago : SARA

3-down – Nigerian author of The Famished Road : BENOKRI

4-down – Catherine __, co-founder of the Salvation Army : BOOTH

5-down – Noir author whose Scudder stories are set in New York : LAWRENCE

6-down – See 17 Across : PARKER

12-down – Nicholas __, novel by Dickens : NICKLEBY

14-down – French pilgrimage site – or the daughter of Madonna? : LOURDES

16-down – Curve said to describe the relationship between taxation levels and actual receipts : LAFFER

18-down – Iraqi town on the Tigris : TIKRIT

19-down – Muriel __, author of The Prime of Miss Jean Brodie : SPARK

22-down – Norse god of thunder : THOR

6-across – __ Kidman, star of Moulin Rouge : NICOLE

8-across – A book of the Old Testament, or an album by Bob Marley? : EXODUS

9-across – What Jack should do to the road, according to Ray Charles? : HIT

10-across – California town where the sitcom The Big Bang Theory is set : PASADENA

11-across – Year of the Norman invasion? : 1O66

13-across – Large antelope, the national animal of Qatar : ORYX

15-across – __ Ferdinand, footballer : RIO

17-across – One of two 4 to Loch Lomond? : LOW

18-across – Type of ballistic missile developed by the Soviet Union during the cold war : SCUD

21-across – Kai __, actor who plays Pete Buchanan in Hollyoaks : OWEN

23-across – The capital of Paraguay : ASUNCION

24-across – Highway where Paul Simon : NEW

26-across – Indian city where the Japanese suffered heavy losses in 1944 : IMPHAL

27-across – See 22 Down : STREET

1-down – One of two 4 to Loch Lomond? : HIGH

2-down – Highway on which Nat King Cole got his kicks? : ROUTE66

3-down – See 24 : JERSEY

4-down – See 16 : ROADS

5-down – See 24 : TURNPIKE

7-down – Finnish city, close to Helsinki : ESPOO

12-down – American marsupials : OPOSSUMS

14-down – Governing body of rugby union in England : RFU

16-down – Highways that John Denver hoped would take him home, to the place he belonged : COUNTRY

19-down – Father Ted’s surname : CRILLY

20-down – Claire __, star of Homeland : DANES

22-down – Where Martha and the Vandellas foresaw there would be dancing? : INTHE

25-down – Sir Christopher __, designer of St Paul’s Cathedral : WREN

6-across – A digital ingredient of the witches’ brew in Macbeth : TOEOF

7-across – Common name for the childhood condition otitis media : GLUEEAR

9-across – The Oscar-winner who came to dinner? : SIDNEYPOITIER

10-across – Denis __, French enlightenment philosopher and editor of the Encyclopédie : DIDEROT

12-across – See 6 : FROG

14-across – Herb that is often used to season poached salmon : DILL

15-across – Coolant that’s essential to the witches’ brew in Macbeth : BABOONS

17-across – London district, home to Queens Park Rangers : SHEPHERDSBUSH

20-across – US state bordered by New York and New Hampshire : VERMONT

21-across – See 16 Down : SNAKE

1-down – Desert making up much of southern Mongolia : GOBI

2-down – David __, name by which John le Carré is less well known : CORNWELL

3-down – See 15 Across : BLOOD

4-down – See 8 : NEWT

5-down – City at the foot of Table Mountain : CAPETOWN

8-down – Visual ingredient of the witches’ brew in Macbeth : EYEOF

11-down – Body of water surrounding the Isle of Man : IRISHSEA

12-down – Support for poor people considered by Jacob Rees-Mogg to be uplifting : FOODBANK

13-down – Name of character played by Olivia Newton-John in Grease : SANDY

16-down – Slithering ingredient of the witches’ brew in Macbeth : FENNY

18-down – American predator cat : PUMA

19-down – Japanese rice wine : SAKE