SF Encyclopedia Home Page
Tuesday 9 June 2026
Welcome to the Encyclopedia of Science Fiction, Fourth Edition. Some sample entries appear below. Click here for the Introduction; here for what we mean by Science Fiction; here for the masthead; here for some Statistics; here for the 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.
Site updated on 8 June 2026
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Duffy, Maureen
(1933-2026) UK author, active from around 1950, several of whose books focused on London, including Capital (1975), a complex set of era-switching meditations – including a Neanderthal man's thoughts about the future – on the deep mythos of the city. The novel influenced Michael Moorcock's Mother London (1988) (as the author acknowledged clearly), and similar later works by Iain ...
Monsters of the Movies
Letter-size Cinema magazine printed on newsprint-quality paper. Published by Curtis Magazines. Nine issues, June 1974 to August 1975; perfect-bound until #5, then saddle-stapled until #8, reverting to perfect binding for the final edition. Editors were Roy Thomas and Jim Harmon. / Attempting to exploit the renewed interest in Horror, and to imitate ...
Leach, Decima
(? - ) Author, presumably UK and perhaps pseudonymous, who is known only for her sf novel The Garthians (1962). [JC/DRL]
Potter, Martin H
(1871-1955) UK author of The Sea Surrenders (1911), in which a successful attempt to harness the tides provides a new Power Sources, and Life – The Jade (1912), an sf novel partly set in the Near Future, and partly some decades hence, where the negative implications of progress in Medicine – including an Immortality ...
Apergy
An Imaginary Science term coined by Percy Greg in Across the Zodiac: The Story of a Wrecked Record, Deciphered, Translated and Edited by P G (1880 2vols), denoting an Antigravity force here used to propel a Spaceship to Mars. As with Ursula Le Guin's much later coinage of ...
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 ...