Robert A. Heinlein
                    
                                            Robert Anson Heinlein (July 7, 1907 – May 8, 1988) was an American science-fiction author, aeronautical engineer, and Naval officer. Sometimes called the "dean of science fiction writers", he was among the first to emphasize scientific accuracy in 
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                        Robert Anson Heinlein (July 7, 1907 – May 8, 1988) was an American science-fiction author, aeronautical engineer, and Naval officer. Sometimes called the "dean of science fiction writers", he was among the first to emphasize scientific accuracy in his fiction, and was thus a pioneer of the subgenre of hard science fiction. His published works fiction and non-fiction, express admiration for competence and emphasizes the value of critical thinking.  Four-time winner of the Hugo Award and recipient of three Retro Hugos, received the first Grand Master Nebula Award for lifetime achievement. His worldwide bestsellers have been translated into 22 languages and include Stranger in a Strange Land, Starship Troopers, Time Enough for Love and The Moon Is a Harsh Mistress.
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