Indeed, at a time when men viewed science as limitless and powerful, Lovecraft imagined alternative potential and fearful outcomes.

Additional milieu were provided by Chaosium with the release of Dreamlands, a boxed supplement containing additional rules needed for playing within the Lovecraft Dreamlands, a large map and a scenario booklet, and Cthulhu By Gaslight, another boxed set which moved the action from the 1920s to the 1890s.

Lovecraft Country was a line of supplements for Call of Cthulhu released in 1990.

Lovecraft himself humorously referred to his mythos as " Yog Sothothery " ( Mosig coincidentally suggested the term Yog-Sothoth Cycle of Myth be substituted for Cthulhu Mythos ) and at times had to remind readers his mythos creations were entirely fictional.

Writer Will Murray noted that while Lovecraft often used his fictional pantheon in the stories he ghostwrote for other authors, he reserved Arkham and its environs exclusively for those tales he wrote under his own name.

" Derleth himself believed that Lovecraft wished for other authors to actively write about the myth-cycle as opposed to it being a discrete plot device.

With studied playfulness, Smith and Lovecraft borrowed each other's coinages of place names and the names of strange gods for their stories, though so different is Smith's treatment of the Lovecraft theme that it has been dubbed the ' Clark Ashton Smythos '.

Lovecraft was a keen amateur astronomer from his youth, often visiting the Ladd Observatory in Providence, and penning numerous astronomical articles for local newspapers.

This group of writers became known as the " Lovecraft Circle ", since they all freely borrowed elements of Lovecraft's stories – the mysterious books with disturbing names, the pantheon of ancient alien entities, such as Cthulhu and Azathoth, and eldritch places, such as the New England town of Arkham and its Miskatonic University – for use in their own works with Lovecraft's encouragement.

Prolific American writer Joyce Carol Oates wrote an introduction for a collection of Lovecraft stories.

Although Lovecraft is known mostly for his works of weird fiction, the bulk of his writing consists of voluminous letters about a variety of topics, from weird fiction and art criticism to politics and history.

The initial interest in letters stemmed from his correspondence with his cousin Phillips Gamwell but even more important was his involvement in the amateur journalism movement, which was initially responsible for the enormous number of letters Lovecraft produced.

Lovecraft drew extensively from his native New England for settings in his fiction.

Lovecraft, his influence is apparent in the Lovecraftian feel of the monsters for Quake, and he created the fourth and final " episode " of the game.

In 1932, H. P. Lovecraft also used the figure of The Black Man in his tale " The Dreams in the Witch-House " as a synonym for the Devil, but he also uses the term and description for Nyarlathotep, a malevolent entity of his own creation.

Lovecraft was obsessed with the Arabian Nights and had no doubt read the Fitzgerald translation-the couplet follows Fitzgerald's metre and rhyme pattern for the first half of a Khayyam quatrain.

Lovecraft only provided specific information about Shub-Niggurath in his “ revision tales ”, stories published under the names of clients for whom he ghost-wrote.

The Not-to-Be-Named-One, not being named, is difficult to identify ; a similar phrase, translated into Latin as the Magnum Innominandum, appears in a list in " The Whisperer in Darkness " and was included in a scrap of incantation that Lovecraft wrote for Robert Bloch's " The Shambler from the Stars ".

Nyarlathotep is a name used for various characters in the works of H. P. Lovecraft and other writers.

In a 1921 letter to Reinhardt Kleiner, Lovecraft related the dream he had had — described as " the most realistic and horrible I have experienced since the age of ten " — that served as the basis for his prose poem " Nyarlathotep ".

In 1969, he had written " Lovecraft in Retrospect ", an essay for the fanzine Shadow, " condemning work outright.

" Lovecraft scholar Peter Cannon regarded the story as " ambitious and complex ... a dense and subtle narrative in which the horror gradually builds to cosmic proportions ", adding " one of bleakest fictional expressions of man's insignificant place in the universe.

The Cthulhu Mythos is a shared fictional universe, based on the work of American horror writer H. P. Lovecraft.

An ongoing theme in Lovecraft's work is the complete irrelevance of mankind in the face of the cosmic horrors that apparently exist in the universe, with Lovecraft constantly referring to the " Great Old Ones ": a loose pantheon of ancient, powerful deities from space who once ruled the Earth and who have since fallen into a deathlike sleep.

Lovecraft believed in a purposeless, mechanical, and uncaring universe that human beings, with their limited faculties, could never fully understand, and the cognitive dissonance caused by this leads to insanity.

Another inspiration came from a totally different kind of source ; the scientific progress at the time in such diverse areas as biology, astronomy, geology, and physics, all contributed to make Lovecraft see the human race seem even more insignificant, powerless, and doomed in a materialistic and mechanical universe.

" Inspired by such writers and artists as Robert E. Howard, H. P. Lovecraft, Clark Ashton Smith, Edgar Rice Burroughs, J. R. R Tolkien and Jack Kirby, Byron set out to create his own dark fantasy universe, with tales told through epic lyrics and music.

Uses in horror films include the 1986 film From Beyond ( based on the H. P. Lovecraft story of the same name ) where a scientific experiment induces the experimenters to perceive aliens from a parallel universe, with bad results.

Shuma-Gorath shares naming conventions and physical traits to creatures in the Cthulhu Mythos, the universe in which popular weird fiction writer H. P. Lovecraft set the majority of his stories.

The 1991 HBO movie Cast a Deadly Spell starred Fred Ward as " Harry Phillip Lovecraft " a noir detective investigating the theft of the Necronomicon in an alternate universe 1948 Los Angeles where magic was commonplace.

Abdul Alhazred is a fictional character created by American horror writer H. P. Lovecraft.

The most significant of these was H. P. Lovecraft who also wrote an excellent conspectus of the Gothic and supernatural horror tradition in his Supernatural Horror in Literature ( 1936 ) as well as developing a Mythos that would influence Gothic and contemporary horror well into the 21st century.

H. P. Lovecraft is now noted as a significant figure in 20th-century horror fiction.

Many modern horror and fantasy writers, including Stephen King, Bentley Little, Joe R. Lansdale, Alan Moore, Junji Ito, F. Paul Wilson, Brian Lumley, Caitlín R. Kiernan, and Neil Gaiman, have cited Lovecraft as one of their primary influences.

Great horror writers of the early twentieth century include H. P. Lovecraft and M. R. James.

In 1999, Strange Company used Quake II in Eschaton: Nightfall, a horror film based on the work of H. P. Lovecraft.

Her ideas also inspired other writers, ranging from horror authors like H. P. Lovecraft and Dennis Wheatley to Robert Graves.

The Necronomicon is a fictional grimoire appearing in the stories by horror writer H. P. Lovecraft and his followers.

* The American horror author H P Lovecraft created an Arab poet Abdul Alhazred to whom was attributed a couplet:

The influence of the Nights on modern horror fiction is certainly discernible in the work of H. P. Lovecraft.

Lovecraft horror tale " The Statement of Randolph Carter "

After first appearing in the H. P. Lovecraft 1922 serial " Herbert West – Reanimator ", the school appeared in numerous horror stories in the Cthulhu Mythos by Lovecraft and other writers.

Since he first came to prominence in the mid-1960s, critics have cited Campbell as one of the leading writers in his field: T. E. D. Klein has written that " Campbell reigns supreme in the field today ", while S. T. Joshi stated, " future generations will regard him as the leading horror writer of our generation, every bit the equal of Lovecraft or Blackwood.

In its fusion of horror with awe, Midnight Sun shows the influence of Algernon Blackwood and Arthur Machen as well as Lovecraft.

Lovecraft borrowed Chambers ' method of only vaguely referring to supernatural events, entities, and places, thereby allowing his readers to imagine the horror for themselves.

In dark fantasy or horror the parallel world is often a hiding place for unpleasant things, and often the protagonist is forced to confront effects of this other world leaking into his own, as in most of the work of H. P. Lovecraft and the Doom computer game series, or Warhammer / 40K miniature and computer games.

* March 15-H. P. Lovecraft, horror writer ( born 1890 )

* August 20-H. P. Lovecraft, horror writer ( died 1937 )

An H. P. Lovecraft Encyclopedia notes that it " might, however, be said that HPL erred on the side of underexplicitness in the very nebulous horror to be seen through Zann's garret window.