GUARDIAN CROSSWORD

Across 1 Dogged (10) 7 Light Italian bread

made with olive oil (8) 8 It needs a hammering

(4) 9 Ruth (4) 10 14 (anag) (7) 12 America’s first oil magnate, d. 1937 (11) 14 Of the great seas (7) 16 Tots up (4) 19 Croak in the throat? (4) 20 First (8) 21 1 across (anag) (10) Down 1 Groom oneself elaborately (5) 2 Machine-like (7) 3 Greek letter (4) 4 What’s used for drying

dishes (3,5) 5 Mother’s mother? (5) 6 Frankfurter (6) 11 Home for choppers?

(8) 12 LP or single? (6) 13 19th-century English workman who destroyed new laboursaving

machinery (7) 15 Prophet (5) 17 Fraudulent schemes (5) 18 Bird — fruit (4)