Robert A. Heinlein

Robert Anson Heinlein (1907 – 1988) was an American science fiction author, aeronautical engineer, and futurist. He was among the first to emphasize scientific accuracy in his fiction, and together with Isaac Asimov and Arthur C. Clarke are often considered the "Big Three" of English-language science fiction authors. Notable Heinlein works include Stranger in a Strange Land and Starship Troopers. His futurism ideas were contained in his Future History series.