Wither is a 1999 supra-natural novel about ghosts and witches by John Passarella and Joseph Gangemi writing under the pseudonym "J.G. Passerella".
 "Wither" was nominated for an International Horror Guild Award and won the Horror Writers Association's Bram Stoker Award for First Novel in 1999.
 "Wither" was later followed by the sequels "Wither's Rain", "Wither's Curse", and "Wither's Legacy".
Greg F. Gifune (born November 12, 1963 in Middlesex County, Massachusetts) is a horror author, the recipient of multiple Bram Stoker Award and International Horror Guild Award nominations in addition to one for the British Fantasy Award.
The Northern Colorado Writers Workshop is an invitation-only, non-profit writing workshop founded in 1972 by Edward Bryant.
 The writing genres of its members include mainly science fiction, fantasy, horror, and mystery.
 Membership in the workshop is generally limited to professional and near-professional writers, and includes a number of Hugo, Nebula, Bram Stoker, International Horror Guild, and World Fantasy Award winners.
Nick Mamatas (Greek: Νίκος Μαμματάς ) (born February 20, 1972) is an American horror, science fiction and fantasy author and editor for Haikasoru's line of translated Japanese science fiction novels for Viz Media.
 His fiction has been nominated for a number of awards, including several Bram Stoker Awards.
 He has also been recognised for his editorial work with a Bram Stoker Award, as well as World Fantasy Award and Hugo Award nominations.
 He funded his early writing career by producing term papers for college students, which gained him some notoriety when he described this experience in an essay for Drexel University's online magazine "The Smart Set".
Kim James Newman (born 31 July 1959) is an English journalist, film critic, and fiction writer.
 Recurring interests visible in his work include film history and horror fiction—both of which he attributes to seeing Tod Browning's "Dracula" at the age of eleven—and alternate fictional versions of history.
 He has won the Bram Stoker Award, the International Horror Guild Award, and the BSFA award.
Lucy Taylor is an American horror novel writer.
 Her novel, "The Safety of Unknown Cities" was awarded the Bram Stoker Award for Best First Novel and the International Horror Guild Award for Best First Novel in 1995, and the Deathrealm Award for Best Novel in 1996.
 Her collection "The Flesh Artist" was nominated for the Bram Stoker Award (Superior Achievement in a Fiction Collection) in 1994.
Peter Francis Straub (born March 2, 1943) is an American novelist and poet.
 His horror fiction has received numerous literary honors such as the Bram Stoker Award, World Fantasy Award, and International Horror Guild Award.
Nathanael West (born Nathan Weinstein; October 17, 1903 – December 22, 1940) was an American author, screenwriter and satirist.
Frank Belknap Long (April 27, 1901 – January 3, 1994) was an American writer of horror fiction, fantasy, science fiction, poetry, gothic romance, comic books, and non-fiction.
 Though his writing career spanned seven decades, he is best known for his horror and science fiction short stories, including early contributions to the Cthulhu Mythos.
 During his life, Long received the World Fantasy Award for Life Achievement (at the 1978 World Fantasy Convention), the Bram Stoker Award for Lifetime Achievement (in 1987, from the Horror Writers Association), and the First Fandom Hall of Fame Award (1977).
Riding the Bullet is a novella by Stephen King.
 This work marks King's debut on the Internet.
 Simon & Schuster, with technology by SoftLock, first published "Riding the Bullet" in 2000 as the world's first mass-market e-book, available for download at $2.50.
 That year, the novella was nominated for the Bram Stoker Award for Superior Achievement in Long Fiction and the International Horror Guild Award for Best Long Form.
 In 2002, the novella was included in King's collection "Everything's Eventual".

Question: Who's horror fiction has received numerous literary honors such as the Bram Stoker Award, World Fantasy Award, and International Horror Guild Award,Nathanael West or Peter Straub?
Answer: Peter Francis Straub