Question: Are both Halldór Laxness and Daphne du Maurier English?

full_context: Document 1: The Atom Station: The Atom Station (Icelandic: "Atómstöðin" ) is a novel by Icelandic author Halldór Laxness, who was awarded the Nobel Prize in Literature in 1955. The initial print run sold out on the day it was published, for the first time in Icelandic history.
Document 2: Agatha Christie: Dame Agatha Mary Clarissa Christie, Lady Mallowan, DBE ("née" Miller; 15 September 1890 – 12 January 1976) was an English crime novelist, short story writer and playwright. She is best known for her 66 detective novels and 14 short story collections, particularly those revolving around her fictional detectives Hercule Poirot and Miss Marple. She also wrote the world's longest-running play, a murder mystery, "The Mousetrap", and six romances under the name Mary Westmacott. In 1971 she was elevated to Dame Commander of the Order of the British Empire (DBE) for her contribution to literature.
Document 3: Daphne du Maurier: Dame Daphne du Maurier, Lady Browning, DBE ( ; 13 May 1907 – 19 April 1989) was an English author and playwright.
Document 4: Muriel Beaumont: Muriel Beaumont, Lady du Maurier (14 April 1876 – 27 November 1957) was an English stage actress. She was the wife of the actor Sir Gerald du Maurier and mother of the writers Angela du Maurier and Daphne du Maurier. She retired from the stage in 1910.
Document 5: Independent People: Independent People (Icelandic: "Sjálfstætt fólk" ) is an epic novel by Nobel laureate Halldór Laxness, originally published in two volumes in 1934 and 1935; literally the title means "Self-standing [i.e. self-reliant] folk". It deals with the struggle of poor Icelandic farmers in the early 20th century, only freed from debt bondage in the last generation, and surviving on isolated crofts in an inhospitable landscape.
Document 6: Auður Laxness: Auður Sveinsdóttir Laxness (1918-2012) was an Icelandic writer and craftswoman, credited with influencing the design and popularity of the Icelandic Lopapeysa sweater during the mid-20th century. Her husband was Icelandic Nobel Literature laureate Halldór Laxness, and Auður worked as his secretary and writing collaborator for many years.
Document 7: Barbara Cartland: Dame Mary Barbara Hamilton Cartland DBE CStJ (9 July 1901 – 21 May 2000) was an English author of romance novels, one of the best-selling authors as well as one of the most prolific and commercially successful worldwide of the twentieth century. Her 723 novels were translated into 38 languages and she continues to be referenced in the "Guinness World Records" for the most novels published in a single year in 1976. As Barbara Cartland she is known for her numerous romantic novels but she also wrote under her married name of Barbara McCorquodale and briefly under the pseudonym of Marcus Belfry. She wrote more than 700 books, as well as plays, music, verse, drama, magazine articles and operetta, and was a prominent philanthropist. She reportedly sold more than 750 million copies. Other sources estimate her book sales at more than two billion copies. She specialised in 19th-century Victorian era pure romance. Her novels all featured portrait-style artwork, particularly the cover art, usually designed by Frances Marshall.
Document 8: List of Icelandic films: The following is a list of notable films produced in Iceland by Icelanders. Star marked films are films in coproduction with Iceland. Although Arne Mattsson is Swedish, his film is included because it is based on a book by the Icelandic Nobel Prize-winning author Halldór Laxness.
Document 9: Halldór Laxness: Halldór Kiljan Laxness (] ; born Halldór Guðjónsson; 23 April 1902 – 8 February 1998) was a twentieth-century Icelandic writer. Laxness wrote poetry, newspaper articles, plays, travelogues, short stories, and novels. Major influences included August Strindberg, Sigmund Freud, Sinclair Lewis, Upton Sinclair, Bertolt Brecht and Ernest Hemingway. In 1955 he was awarded the Nobel Prize in Literature; he is the only Icelandic Nobel laureate.
Document 10: Cannon Hall, Hampstead: Cannon Hall at 14 Cannon Place, Hampstead, London is a grade II* listed building that dates from around 1720. The house is the former home of the actor Gerald du Maurier, his wife Muriel Beaumont, and their three children, the writers Angela du Maurier and Daphne du Maurier and the painter Jeanne du Maurier.
Document 11: Beryl Bainbridge: Dame Beryl Margaret Bainbridge DBE (21 November 1932 – 2 July 2010) was an English writer from Liverpool. She was primarily known for her works of psychological fiction, often macabre tales set among the English working class. Bainbridge won the Whitbread Awards prize for best novel in 1977 and 1996; she was nominated five times for the Booker Prize. She was described in 2007 as "a national treasure". In 2008, "The Times" named Bainbridge on their list of "The 50 greatest British writers since 1945".
Document 12: Hermann Hesse: Hermann Karl Hesse (] ; 2 July 1877 – 9 August 1962) was a German-born poet, novelist, and painter. His best-known works include "Demian", "Steppenwolf", "Siddhartha", and "The Glass Bead Game", each of which explores an individual's search for authenticity, self-knowledge and spirituality. In 1946, he received the Nobel Prize in Literature.
Document 13: Halldór Laxness (album): "For the Nobel Prize–winning Icelandic author, see Halldór Laxness"
Document 14: Memoir of Halldór Laxness: Memoir of Halldór Laxness was published in Iceland from 2003. It is the memoir of novelist and Nobel Laureate, Halldór Laxnessf> and is in three volumes:
Document 15: George du Maurier: George Louis Palmella Busson du Maurier (6 March 18348 October 1896) was a Franco-British cartoonist and author, known for his cartoons in "Punch" and for his novel "Trilby". He was the father of actor Sir Gerald du Maurier and grandfather of writers Angela du Maurier and Dame Daphne du Maurier. He was also the father of Sylvia Llewelyn Davies and grandfather of the five boys who inspired J.M. Barrie's "Peter Pan".
ground_truth: no