SF Encyclopedia Home Page
Saturday 8 August 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 3 August 2026
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Kronos
Film (1957). Regal/Twentieth Century Fox. Produced and directed by Kurt Neumann. Written by Laurence Louis Goldman, from a story by Irving Block. Cast includes John Emery, Barbara Lawrence and Jeff Morrow. 78 minutes. Black and white. / A scientist is possessed by an Alien lifeform of pure energy (see Energy Beings). Shortly afterwards – the incidents are connected – an "asteroid" (actually a flying saucer; see ...
When Dinosaurs Ruled the Earth
Film (1969). Hammer/Warner. Directed by Val Guest. Written by Guest, from story by J G Ballard. Cast includes Patrick Allen, Robin Hawdon and Victoria Vetri. 100 minutes. Colour. / This was originally written by J G Ballard, but director Guest got to the script and eliminated anything expensive, original or intellectual. Still a bit livelier than most Prehistoric SF romances, this is one of a series of them made by ...
Rak, Radek
Working name of Radosław Rak (1987- ), Polish veterinarian and author of Fantastika whose fiction frequently draws on Polish regional history, folklore, and local legends (especially from the Subcarpathian region). His prose is noted for its linguistic inventiveness. / Rak began his writing career in online forums and small-press publications within the Polish genre community. His debut story was "Ptaki ...
Yerxa, Leroy
(1915-1946) US author for the Pulp magazines, particularly the Ziff-Davis productions Amazing and Fantastic Adventures. He published under his own name and under some pseudonyms, the main one being Elroy Arno; others included Lee Francis, which evolved into a House Name after his death, Morris J Steele and (possibly) Henry Gade and Frank ...
Hulk
Film (2003). Universal Pictures in association with Marvel Enterprises presents a Valhalla Motion Pictures/Good Machine production. Directed by Ang Lee. Written by John Turman and Michael France and James Schamus; story by Schamus, based on the Marvel Comic by Stan Lee, Jack Kirby, and Don Heck. Cast includes Eric Bana, Jennifer Connelly, Sam Elliott, Josh Lucas and Nick Nolte. 132 minutes. ...
Nicholls, Peter
(1939-2018) Australian editor and author, primarily a critic and historian of sf through his creation and editing of The Encyclopedia of Science Fiction [see below]; resident in the UK 1970-1988, in Australia from 1988; worked as an academic in English literature (1962-1968, 1971-1977), scripted television documentaries, was a Harkness Fellow in Film-making (1968-1970) in the USA, worked as a publisher's editor (1982-1983), often broadcast film and book ...