[omerimzali]

If you haven't read him, I suggest Isaac Asimov. He's the one of the greatest sci-fi writer.

You can start with "I, Robot" or "Foundation" series.

[Something1234]

He's good, but I personally prefer Authur c Clarke. I really like the hammer of God, and the whole 2001 saga. The ending to that series gives me hope for the future.