Robert "Bob" Shaw (31 December 1931 – 11 February 1996) was a science fiction writer and fan from Northern Ireland, noted for his originality and wit.
 He won the Hugo Award for Best Fan Writer in 1979 and 1980.
 His short story "Light of Other Days" was a Hugo Award nominee in 1967, as was his novel "The Ragged Astronauts" in 1987.
Steve Stiles (born 1943) is an American cartoonist and writer, coming out of the science fiction fanzine tradition.
 He won the 2016 Hugo Award for Best Fan Artist.
Wayne MacDonald (born October 12, 1951 in Toronto, Ontario), known by his pen name Taral Wayne, is one of Canada's best known science fiction fan artists, and has been nominated for the Hugo Award for Best Fan Artist eleven times, from 1987-2012.
 In October 2008, it was announced that Taral was the recipient of the annual Rotsler Award.
 In recognition of his contributions to science fiction fandom, particularly Canadian fandom, Taral was named Fan Guest of Honour by the 2009 Worldcon, Anticipation.
Frank Wu is an American science fiction and fantasy artist living in Massachusetts.
 He won the Hugo Award for Best Fan Artist in 2004, 2006, 2007 and 2009; he was previously nominated in 2002 and 2003.
 He also won the Grand Prize (the Gold Award) in the Illustrators of the Future contest in 2000.
 In 2008 he was nominated for a fourth Hugo Award for Best Fan Artist, but declined the nomination.
 Nominated again in 2009, he accepted and won his fourth Hugo, but used his acceptance speech to encourage future voters to consider other candidates.
Izzard was a science fiction fanzine edited by Patrick Nielsen Hayden and Teresa Nielsen Hayden.
 It was nominated for the Hugo Award in 1984.
 Contributors included Terry Carr, Steve Stiles, Greg Benford, Ted White, Greg Pickersgill, Avedon Carol, Dave Langford, Stu Shiffman, Taral Wayne, Ray Nelson and Alexis Gilliland.
Arthur Thomson (1927–1990) was a British artist and writer, a highly regarded member of British science fiction fandom from the 1950s onwards, both as a fanzine writer/editor and prolific artist (under the name "ATom").
 Resident illustrator for the influential fanzine "Hyphen", he won the TransAtlantic Fan Fund in 1964 and visited the United States (an event he wrote up for the following year's "ATom Abroad" ).
 Thomson was nominated five times for the Hugo Award for Best Fan Artist, but never won.
Delphyne Joan Hanke-Woods (November 11, 1945 – September 2013) was an American science fiction artist and fan, whose name is sometimes credited as joan hanke-woods, delphyne joan hanke-woods, delphyne woods, or Mori.
 She won the Hugo Award for Best Fan Artist in 1986, after having been nominated for the award every year since 1980 (inclusive).
 In 1984, she was the Fan Guest of Honor at Windycon.
John Michael Scalzi II (born May 10, 1969) is an American science fiction author and former president of the Science Fiction and Fantasy Writers of America.
 He is best known for his "Old Man's War" series, three novels of which have been nominated for the Hugo Award, and for his blog "Whatever", where he has written on a number of topics since 1998.
 He won the Hugo Award for Best Fan Writer in 2008 based predominantly on that blog, which he has also used for several charity drives.
 His novel "Redshirts" won the 2013 Hugo Award for Best Novel.
 He has written non-fiction books and columns on diverse topics such as finance, video games, films, astronomy, writing and politics, and served as a creative consultant for the TV series "Stargate Universe".
Mike Glyer (born 16 February 1953) is both the editor and publisher of the long-running science fiction fan newszine "File 770".
 He has won the Hugo Award 11 times in two categories: "File 770" won the Best Fanzine Hugo in 1984, 1985, 1989, 2000, 2001 2008, and 2016.
 Glyer won the Best Fan Writer Hugo in 1984, 1986, 1988, and 2016.
 The 1982 World Science Fiction Convention (Worldcon) committee presented Glyer a special award in 1982 for "Keeping the Fan in Fanzine Publishing."
The Hugo Awards are presented every year by the World Science Fiction Society for the best science fiction or fantasy works and achievements of the previous year.
 The award is named after Hugo Gernsback, the founder of the pioneering science fiction magazine "Amazing Stories", and was once officially known as the Science Fiction Achievement Award.
 The award has been described as "a fine showcase for speculative fiction" and "the best known literary award for science fiction writing".
 The Hugo Award for Best Fan Artist is given each year for artists of works related to science fiction or fantasy which appeared in low- or non-paying publications such as semiprozines or fanzines.
 A Hugo Award for professional artists is also given.
 The fan award was first presented in 1967 and has been awarded annually.
 Beginning in 1996, Retrospective Hugo Awards, or "Retro Hugos", have been available to be awarded for years 50, 75, or 100 years prior in which no awards were given.
 To date, Retro Hugo awards have been awarded for 1939, 1941, 1946, 1951, and 1954, although the 1939, 1941, and 1954 Retro Hugos received insufficient nominations for the Fan Artist Hugo to make the ballot.

Question: Which contributor to Izzard won the 2016 Hugo Award for Best Fan Artist?
Answer: Steve Stiles