Heinlein's work, especially Gulf. Bernard Wolfe drew on general semantics in his science fiction novel Limbo. Frank Herbert's novels Dune and Whipping Star are also indebted to general semantics. The ideas of general semantics became a sufficiently important part of the shared intellectual toolkit of genre science fiction to merit parody by Damon Knight and others; they have since shown a tendency to reappear in the work of more recent writers such as Samuel R.