Between the two of them, Da-Cap and Da-Simon pointed out that the Hubble Space Telescope was reported to have found precursors of life (signatures of the necessary chemicals) in another solar system at just about the same time that Arthur C. Clarke passed away.
John posted a neat bit pointing out that when you look at the dates involved, it turns out that the man who gave us both 2001: A Space Odyssey and the geosynchronous communications satellite also managed to time travel.
The Joy of Tech presented two commemorative cartoons featuring both HAL and Arthur. As well as some older cartoons, one about the idea of a space elevator, and another about the Tycho Monolith.
For myself, I’ve never been able to listen to “Blue Danube” or “Thus Spake Zarathustra” without thinking of O’Neill colonies and proto-humans flinging jawbones into the air.
If the purpose of books is to entertain and provoke thought, then Arthur C. Clarke certainly succeeded.