Harry Max Harrison (born Henry Maxwell Dempsey; (1925 -2012) was an American science fiction (SF) author, best known for his character the Stainless Steel Rat and for his novel Make Room Make Room (1966). The latter was the rough basis for the motion picture Soylent Green (1973). Harrison was (with Brian Aldiss) the co-president of the Birmingham Science Fiction Group. In this book: Deathworld The Misplaced Battleship Planet of the Damned The Ethical Engineer The Repairman Toy Shop Arm of the Law The K-Factor The Velvet Glove Navy Day Sense of Obligation