Science fiction fandom other groups including LGBT communities, libertarians, neo-pagans, and space activist groups like the L5 Society, among many others. Some groups exist almost entirely within fandom but are distinct and cohesive subcultures in their own rights, such as filkers, costumers, and convention runners (sometimes called "SMOFs"). Fandom encompasses subsets of fans that are principally interested in a single writer or subgenre, such as Tolkien fandom, and ("Trekkies"). Even short-lived television series may have dedicated followings, such as the fans of Joss Whedon's "Firefly" television series and movie "Serenity", known as Browncoats. Participation in science fiction fandom often overlaps with other similar
John Whedon on November 22, 1991. John Whedon John Ogden Whedon (November 5, 1905 – November 22, 1991) was an American screenwriter. He is best known for his writing for the television series "The Donna Reed Show" during the 1950s. Whedon also wrote for "The Great Gildersleeve" on radio, "The Andy Griffith Show", "The Dick Van Dyke Show" and "Leave It to Beaver". He and wife, Louise Carroll Angell, are the parents of television screenwriter Tom Whedon and Julia Whedon, and the grandparents of film and TV screenwriter and director Joss Whedon and screenwriters Jed Whedon and Zack Whedon. Whedon died in