It has been reported that Terry Pratchett has died from complications due to Alzheimer's disease. Pratchett was a master of satire who used the Discworld series to address his problems with the world. Over the years I've managed to read a dozen of his novels and they've always been enjoyable reads. I never had the good fortune to meet him but from everything I've ever read he was an incredible person in real life and not just on the written page.
He will be missed.