Arthur C. Clarke was the author of such science fiction classics as 2001: A Space Odyssey and Childhood's End, and was the first to proposed the idea of placing communications satellites in geosynchronous orbits (where they always appear in the same point in the sky). He passed away today at the age of 90. An amazing man, he will be missed.
In his honor I think I'm going to re-read my copy of The Lion of Comarre & Against the Fall of Night. (I like the original Against the Fall of Night a bit more than the expanded and revised The City and the Stars, but both are good. Beyond the Fall of Night, however, is a great disappointment, contradicting the original not just in theme but in plot, and Gregory Benford should be ashamed of the hack job he did on his half.)