1. Russian world chess champion who lost the title to Bobby Fischer in 1972 (5,7)
7. Fir or pine wood (4)
11. US state containing the national monument Shoshone Cavern (7)
12. 1992 comedy film with Whoopi Goldberg and Maggie Smith (6,3)
13. French philosopher and writer whose works epitomize the Age of Enlightenment (8)
14. Actress whose name was used for an inflatable life jacket (3,4)
16. Highly poisonous metallic element, with the chemical symbol As (7)
17. City of northwest Colombia that was once the richest port on the Spanish Main (9)
18. The religious and classical literary language of India (8)
20. Musical direction to go back to the point indicated by the sign (3,5)
24. Italian film director whose films include La Notte and Zabriskie Point (9)
27. Hormone that regulates the amount of glucose in the blood (7)
29. 18th century Italian physiologist who pioneered the therapeutic use of electricity (7)
30. Film for which Holly Hunter, Anna Paquin and Jane Campion won Oscars in 1993 (3,5)
32. A scientific name or algebraic expression of three terms (9)
33. French playwright whose works, such as Antigone, juxtapose harsh reality and fantasy (7)
34. Mining and industrial region of western Germany (4)
35. Novel by Mary Shelley, published in 1818 (12)

1. Weapons for toxophilites (4)
2. A light-sensitive pigment in the retina, also known as visual purple (9)
3. A strong rich cheese, often with blue veins, originally made in Leicestershire (7)
4. Opera by Ruggiero Leoncavallo first performed in 1892 (9)
5. Roman coin worth a quarter of a denarius (8)
6. Territory in the western Himalayas divided between India and Pakistan (7)
8. Display stand with open shelves (7)
9. Department of France with Agen as its capital (3-2-7)
10. Husband of Helen of Troy (8)
15. The unlawful killing of a human being without malice aforethought (12)
19. Any herbivorous marsupial of the family Macropodidae (8)
21. Leading lady in films of the 30s and 40s, once a singer with Rudy Vallee's band (5,4)
22. A dish of boneless cooked white poultry or fish served cold in jelly (9)
23. An athletic contest in skiing and shooting (8)
25. Fringed shawl worn by some Jewish men, especially at prayer (7)
26. English actor, producer and director given a life peerage in 1970 (7)
28. Small pegs or plugs for stopping the vents of casks (7)
31. A title of respect used in Iran, Afghanistan, Pakistan, India, and other countries of Asia (4)