SF Encyclopedia Home Page
Wednesday 11 March 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 9 March 2026
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Martian Manhunter
A DC Comics Superhero created by Joseph Samachson, who first appeared in issue #225 of Detective Comics (1955); in early adventures, he is referred to as J'onn J'onzz, Manhunter from Mars (his Martian name) before his current title became canonical. He is a green-skinned, hairless humanoid who is Teleported from Mars to ...
Time
"Time," a character explains in Ray Cummings's The Girl in the Golden Atom (stories 5 March 1919, 24 January-24 February 1920 All-Story Weekly; fixup 1921), "is what keeps everything from happening at once." This enormously broad sf theme is dealt with under several encyclopedia headwords, of which the most important is Time Travel. Physical travel through time is ...
Vivy: Fluorite Eye's Song
Japanese animated tv series (2021). Wit Studio. Created and written by Tappei Nagatsuki and Eiji Umehara. Directed by Shinpei Ezaki. Voice cast includes Jun Fukuyama, Takehito Koyasu and Atsumi Tanezaki. Thirteen 24-minute episodes. Colour. / Vivy, a humanlike Robot, was the first autonomous AI, created in 2060. Because AIs have difficulty in multi-tasking, each focuses on a single purpose: Vivy's is to "make everyone happy by ...
Keyhoe, Donald E
(1897-1988) US author of Pulp adventures, including lead novels for all three issues of the magazine Dr Yen Sin. He is of most sf interest perhaps for his Captain Philip Strange tales about a nascent Superhero – his mental acuity is equivalent to most Psi Powers – whose exploits as an ace fighter pilot in World War One ...
Other Edens
UK original anthology series, consisting of Other Edens (anth 1987), Other Edens II (anth 1988) and Other Edens III (anth 1989), edited by Christopher Evans and Robert Holdstock. This was a curious series. The (ironic?) title is taken from the description of England in Shakespeare's Richard II, though the editors mistakenly say ...
Robinson, Roger
(1943- ) UK computer programmer, bibliographer and publisher, active in UK Fandom for many years. The Writings of Henry Kenneth Bulmer (1983 chap; rev 1984 chap) is an exhaustive Bibliography of one of the most prolific sf writers, Kenneth Bulmer, and Who's Hugh?: An SF Reader's Guide to Pseudonyms (1987) is similarly exhaustive in its ...