Rest in Peace indeed....
For me, he was the last of the great ones: Frank Herbert, Philip Dick, Isaac Asimov, JRR Tolkien, all gone... only Clarke was left. And now he goes to join them.
I put an obituary of him in my website, it's also there the good-bye video he made last december. Completely worth watching:
Sala de Guerra: Nota de Falecimento: Sir Arthur C. Clarke