Brian Wilson Aldiss was an English writer, artist and anthology editor, best known for science fiction novels and short stories. His byline reads either Brian W. Aldiss or simply Brian Aldiss, except for occasional pseudonyms during the mid-1960s.

Science fiction is a genre of speculative fiction, which typically deals with imaginative and futuristic concepts such as advanced science and technology, space exploration, time travel, parallel universes, and extraterrestrial life. It is related to fantasy, horror, and superhero fiction and contains many subgenres. Its exact definition has long been disputed among authors, critics, scholars, and readers.