John Frederick Clute is a Canadian-born author and critic specializing in science fiction and fantasy literature who has lived in both England and the United States since 1969. He has been described as "an integral part of science fiction's history" and "perhaps the foremost reader-critic of science fiction in our time, and one of the best the genre has ever known." He was one of eight people who founded the English magazine Interzone in 1982.

Interzone is a British fantasy and science fiction magazine. Published since 1982, Interzone is the eighth-longest-running English language science fiction magazine in history, and the longest-running British science fiction (SF) magazine. Stories published in Interzone have been finalists for the Hugo Awards and have won a Nebula Award and numerous British Science Fiction Awards.