The ultimate top 50 Science Fiction

Or not.
This list is based on a seemingly fairly comprehensive poll [link] to which I have added a few of my own favorites and deleted a few I didn't know.
You're very welcome to add suggestions to the list in the comments section.

1. Douglas Adams - Hitch Hiker's Guide to the Galaxy - 1979
2. George Orwell - 1984 - 1949
3. William Gibson - Count Zero - 1986
4. William Gibson - Neuromancer - 1984
5. Ray Bradbury - The Martian Chronicles - 1950
6. Stanislaw Lem - Solaris - 1961
7. Walter M Miller - A Canticle for Leibowitz - 1959
8. Iain M Banks - Player Of Games - 1988
9. Philip Jose Farmer - To Your Scattered Bodies Go - 1971
10. Philip K Dick - A Scanner Darkly - 1977
11. Philip K Dick - The Three Stigmata Of Palmer Eldritch - 1964
12. Ursula K Le Guin - The Lathe of Heaven - 1971
13. Iain M Banks - Use of Weapons - 1990
14. John Brunner - Stand on Zanzibar - 1969
15. John Brunner - The Shockwave Rider - 1975
16. Julian May - The Many-Colored Land - 1981
17. John Brunner - The Shockwave Rider - 1975
18. William Gibson - Mona Lisa Overdrive - 1988
19. Ray Bradbury - Fahrenheit 451 - 1954
20. Arthur C Clarke - 2001: A Space Odyssey - 1968
21. Philip K Dick - Do Androids Dream of Electric Sheep? - 1968
22. Larry Niven - Ringworld - 1970
23. Arthur C Clarke - Rendezvous With Rama - 1973
24. Frank Herbert - Dune - 1965
25. Dan Simmons - Hyperion - 1989
26. Aldous Huxley - Brave New World - 1932
27. Arthur C Clarke - Childhood's End - 1954
28. Kurt Vonnegut - Slaughterhouse Five - 1969
29. Ursula K Le Guin - The Left Hand of Darkness - 1969
30. Michael Crichton - Jurassic Park - 1990
31. Philip K Dick - The Man in the High Castle - 1962
32. Carl Sagan - Contact - 1985
33. Daniel Keyes - Flowers for Algernon - 1966
34. Gene Wolfe - The Shadow of the Torturer - 1980
35. Clifford Simak - Way Station - 1963
36. James Blish - Cities in Flight - 1955
37. Greg Bear - The Forge of God - 1987
38. Isaac Asimov - I, Robot - 1950
39. H G Wells - The Time Machine - 1895
40. H G Wells - War of the Worlds - 1898
41. Frederik Pohl - Gateway - 1977
42. Mary Shelley - Frankenstein - 1818
43. Harry Harrison - The Stainless Steel Rat - 1961
44. James Blish - Cities in Flight - 1955
45. Robert A Heinlein - Stranger in a Strange Land - 1961