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For questions about Robert A. Heinlein who was an American science fiction writer. Often called "the dean of science fiction writers", he was one of the most popular, influential, and controversial authors of the genre. Only use for questions about the author, for questions about his works use the specific work tag instead.

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Meaning of P.R.S. Aes Triplex in Heinlein's Space Cadet

This is a reference to Horace, Ode 1.3: Illi robur et aes triplex circa pectus erat qui fragilem truci commisit pelago ratem primus My Latin is rusty, but basically "the first man to sail fra …
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