Question: The Diamond Queen's creator was an American journalist who is best known for writing short detective stories featuring who?

Context paragraphs:
Arthur Morrison: Arthur George Morrison (1 November 1863 – 4 December 1945) was an English writer and journalist known for his realistic novels and stories about working-class life in London's East End, and for his detective stories, featuring the detective Martin Hewitt.  He also collected Japanese art and published several works on the subject.  He left a large collection of paintings and other works of art to the British Museum after his death in 1945.  Morrison's best known work of fiction is his novel "A Child of the Jago" (1896).

Capek's Tales: Capek's Tales (Czech: "Čapkovy povídky" ) is a 1947 Czech drama film directed by Martin Frič, based on 5 short detective stories by Karel Čapek.  It was nominated for the Grand International Award at the Venice Film Festival, 1947.

Jacques Futrelle: Jacques Heath Futrelle (April 9, 1875 – April 15, 1912) was an American journalist and mystery writer.  He is best known for writing short detective stories featuring Professor Augustus S. F. X. Van Dusen, also known as "The Thinking Machine" for his application of logic to any and all situations.  Futrelle died in the sinking of the RMS "Titanic".

J. Allan Dunn: Joseph Allan Elphinstone Dunn (21 January 1872 – 25 March 1941), best known as J. Allan Dunn, was one of the high-producing writers of the American pulp magazines.  He published well over a thousand stories, novels, and serials from 1914–41.  He first made a name for himself in "Adventure".  Well over half of his output appeared in Street & Smith pulps, including "People's", "Complete Story Magazine", and "Wild West Weekly".  He wrote approximately 470 stories for "Wild West Weekly" alone.  His main genres were adventure and western; although he did write a number of detective stories, most of them appearing in "Detective Fiction Weekly".  He was a specialist in South Sea stories, and pirate stories.  He also published a lot of juvenile fiction; including many stories for "Boys' Life", primarily in the 1920s.  A number of his novel-length stories were reprinted in hardbound, some under the pen name "Joseph Montague" for Street & Smith's Chelsea House imprint; many of his books were issued in the United Kingdom.  His stories were frequently syndicated in newspapers, both in America and around the world, making him, for a time, a very widely known author.

The Purloined Letter: "The Purloined Letter" is a short story by American author Edgar Allan Poe.  It is the third of his three detective stories featuring the fictional C. Auguste Dupin, the other two being "The Murders in the Rue Morgue" and "The Mystery of Marie Rogêt".  These stories are considered to be important early forerunners of the modern detective story.  It first appeared in the literary annual "The Gift for 1845" (1844) and was soon reprinted in numerous journals and newspapers.

Anne Hocking: Naomi Annie Hocking Messer (1889 – 17 March 1966), known as Anne Hocking and nicknamed "Mona," was an English crime writer, best remembered for her detective stories featuring Chief Superintendent William Austen.

The Man Who Knew Too Much (book): The Man Who Knew Too Much and other stories (1922) is a book of detective stories by English writer G. K. Chesterton, published in 1922 by Cassell and Company in the United Kingdom, and Harper Brothers in the United States.  The book contains eight connected short stories about "The Man Who Knew Too Much", and additional unconnected stories featuring separate heroes/detectives.  The United States edition contained one of these additional stories: "The Trees of Pride", while the United Kingdom edition contained "Trees of Pride" and three more, shorter stories: "The Garden of Smoke", "The Five of Swords" and "The Tower of Treason".

Simon Iff: Simon Iff is the protagonist of a series of short detective stories written by occultist Aleister Crowley.  He is portrayed as a mystic, a magician and a great detective with a thorough insight into human psychology.

The Diamond Queen (1921 film): The Diamond Queen is a 1921 American adventure film serial directed by Edward A. Kull.  The film is considered to be lost.  The creator of the story Jacques Futrelle was lost in the Titanic disaster in 1912.

Robert Goldsborough (writer): Robert Gerald Goldsborough (born October 3, 1937 in Chicago, Illinois) is an American journalist and writer of mystery novels.  He worked for 45 years for the "Chicago Tribune" and "Advertising Age", but gained prominence as the author of a series of authorized pastiches of Rex Stout's Nero Wolfe detective stories, published from 1986 to 1994.  The first novel, "Murder in E Minor" (1986), received a Nero Award.  In 2005, Goldsborough published "Three Strikes You're Dead", the first book in an original series of period mysteries featuring "Chicago Tribune" reporter Steve (Snap) Malek.

Supporting paragraphs: The Diamond Queen (1921 film) Jacques Futrelle
Answer: Professor Augustus S. F. X. Van Dusen