1		12thC Muslim leader who recaptured Jerusalem from the Crusaders (7)
5		Starred in Sophie's Choice and The River Wild (5,6)
11		Radio operator's acknowledgement of a message (5)
12		Person trained in ancient Japanese martial arts for assassination work (5)
13		Small salamanders (5)
14		US tennis player, winner of 14 Grand Slam singles titles (4,7)
15		Dirk, starred in Death in Venice (7)
16		19thC English novelist, __ Gaskell (9)
17		Precious stone set by itself – or a card game (9)
19		Hypothesis that the universe was created by a cosmic explosion (3,4,6)
21		e.g. liquid part of vegetable or fruit (5)
22		Clear fluid separated out from clotted blood, possibly used as immunizer (5)
24		A collector of butterflies and moths (13)
27		Composer of Mull of Kintyre (9)
29		Roger, British runner who broke 4- minute mile in 1954 (9)
31		Official name of the British royal family (7)
32		Emotional disorder, syndrome named after German baron storyteller (11)
33		Marine barriers formed by skeletal deposits (5)
34		Brazilian city, founded on Christmas Day 1597; also former province of South Africa (5)
35		Person who conducts travellers, etc. (5)
36		Branch of science concerned with skin (11)
37		Henry David, 19thC US essayist, poet and philosopher (7)

1		Disease of sheep characterised by lack of co-ordination (7)
2		Phenomenon caused by electrical discharge from clouds (9)
3		Tanzania's largest city and former capital (3,2,6)
4		Bavarian city, site of 'war criminal' trials in 1945 (9)
5		Sole hereditary head of state, and name of a butterfly (7)
6		Characters of the earliest Germanic alphabet (5)
7		Stagename of 1930-40s US folk- blues singer (9)
8		West Side Story song or David Bowie's No.1 album (7)
9		King of England 1327-77, initiated the Hundred Years War (6,3)
10		Ski run of compacted snow (5)
17		e.g. a rapier or a claymore (5)
18		Chris, ranked World No.1 tennis player five times (5)
19		Broom made of twigs tied round a stick (5)
20		1960s youth, rejecting conventional middle-class values (5)
21		1930-50s US baseball player, once married to Marilyn Monroe (3,8)
23		A teller of anecdotes (9)
24		Italian Baroque painter, especially of church ceilings (anag. of acorn flan!) (9)
25		One who believes God is present in all of nature and the universe (9)
26		Lower part of the alimentary canal (9)
28		Antarctic inlet of the South Pacific, named after 19thC English explorer (4,3)
29		British car manufacturer, winner of Le Mans 1927-30 (7)
30		Poem of 10 or 13 lines and only two rhymes (7)
31		What the first 'W' of the WWF organisation stands for (5)
32		Short expression of a guiding principle (5)