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Welcome to the Encyclopedia of Science Fiction, Fourth Edition. Some sample entries appear below. Click here for the Introduction; here for the masthead; here for Acknowledgments; here for the FAQ; here for advice on citations. Find entries via the search box above (more details here) or browse the menu categories in the grey bar at the top of this page.

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An imagined extra planet of our own solar system, supposedly sharing Earth's orbit but always concealed from observation by its position on the far side of the Sun (that is, at or near the L3 Lagrange Point of the Earth-Sun system). The concept is ancient: Pythagoras proposed both the world, which he called Antichthon, and the mechanism of its concealment in the fifth century BCE. Although Counter-Earth – or ...

Dowding, Henry Wallace

(1867-1938) UK-born clergyman and author, in the US from 1889, most active in the 1920s. His sf novel, The Man from Mars, or Service, for Service's Sake (1910), is occupied for much of its length with its protagonist's search for a McGuffin document, but shifts in its later moments to be a long description, on the part of the protagonist's employer, of his time on Mars, which planet is small, quite close to Earth, and ...

Butner, Richard

(?   -    ) US author who began to publish work of genre interest with "Saving the World" (1989 Scream) and whose speculative short fiction has since appeared in such venues as Electric Velocipede, F&SF, Lady Churchill's Rosebud Wristlet, Say ... and Sci Fiction. ...

Tuckwell, William

(1829-1919) UK minister, teacher and author, well-known for his advocacy of "Christian socialism" and for broadening school curricula to include science. He was not an author of fiction, though his essay in Futures Studies, The New Utopia; Or, England in 1985: A Lecture (1885 chap), which was influenced by William Morris's arcadian philosophy, eloquently describes Utopia in terms ...

Jersild, P C

(1935-    ) Swedish physician, journalist and author, member of the Swedish Royal Academy of Sciences; active from the 1950s, author of more than forty books, Jersild is a central figure in modern Swedish literature, both a favourite among critics and, with some of his novels, a major bestseller. At the same time, throughout his writing, he has on the one hand utilized science fictional themes and tropes, and on the other, at least within Sweden ...

Langford, David

(1953-    ) UK author, critic, editor, publisher and sf fan, in the latter capacity recipient of 21 Hugo awards for fan writing – some of the best of his several hundred pieces are assembled as Let's Hear It for the Deaf Man (coll 1992 chap US; much exp vt The Silence of the Langford 1996; exp 2015 ebook) as Dave Langford, edited by Ben Yalow – plus five Best Fanzine Hugos ...

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