Robert A. Heinlein
Robert Anson Heinlein (July 7, 1907 – May 8, 1988) was an American author, engineer, and naval officer. He is primarily known as an author of science fiction. His best-known works include Starship Troopers (1959), Stranger in a Strange Land (1961), and The Moon Is a Harsh Mistress (1966). Aditionally, he wrote fantasy fiction and some non-fiction.
Educated at the United States Naval Academy, he would likely have been a career officer had he not been discharged for medical reasons in 1934.
His work's dominant themes are the importance of freedom and creativity, with many of his protagonists rising from obscurity through their own wits, or battling for freedom against collective entities. His work also often reflects such martial virtues as patriotism and loyalty.