"The Result is that, at present, when there are a great many writers attempting to scale the mountside of science fiction, it must be rather annoying for them to see the peak occupied by elderly has-beens who cling to it with their arthritic paws and simply won't get off. Even death, it seems, won't stop us, since Heinlein has already published a posthumous book and reissues of his old novels are in the works."

Isaac Asimov (on writing), Gold