10. Commercial acumen (3,3,8)
12. Novelist (1866-1946). (7,6,5)
17. Former liberal politician (6,4,6,7)
27. Jean-Claude van damme film (6,7)
31. It's spire is 404 feet high (9,9)
32. He played in Tarzan films (6,9)
33. Norman tebbit m.p. (9,8)
35. Second World War bomber (4,9)
41. A purgative medicine (5,5)
47. The orbit (3,6)