Question: John Gunther and Halldór Laxness, are American?

Context paragraphs:
Einar Arnórsson: Einar Arnórsson (24 February 1880 – 29 March 1955) was Minister for Iceland from 4 May 1915 to 4 January 1917.  Einar graduated in Law from the University of Copenhagen in 1906.  He was elected to Althingi and sat there in 1914–1919 and 1931–1932 for the Independence party.  He was Minister of Education and Justice in Björn Þórðarson's cabinet from 1942 to 1944.  He was professor of Law at the University of Iceland from 1911 to 1915 and again after leaving office as Minister for Iceland from 1917 to 1922.  He was a Supreme Court Judge in 1932–1942 and again in 1944–1945.  He was president of the University of Iceland in 1918–1919 and 1929–1930.  For a short time he was father-in-law to Halldór Laxness.  He was editor of "Ísafold" and "Morgunblaðið" in 1919–1920.

Halldór Laxness (album): "For the Nobel Prize–winning Icelandic author, see Halldór Laxness"

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.

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.

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.

John Gunther: John Gunther (August 30, 1901 – May 29, 1970) was an American journalist and author whose success came primarily through a series of popular sociopolitical works known as the "Inside" books (1936–1972), including the best-selling "Inside U.S.A." in 1947.  He is best known today for the memoir "Death Be Not Proud" about the death of his beloved teenage son, Johnny Gunther, from a brain tumor.

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.

Guðný Halldórsdóttir: Guðný Halldórsdóttir (born 23 January 1954) is an Icelandic film director and screenwriter.  She has directed eight films since 1984.  Her 2007 film "The Quiet Storm" was entered into the 30th Moscow International Film Festival.  Her father was writer and 1955 Nobel prize winner Halldór Laxness, while her mother was writer and textile designer Auður Laxness.

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:

The Fish Can Sing: The Fish Can Sing (Icelandic: "Brekkukotsannáll" ) is a 1957 novel by Icelandic author Halldór Laxness, who was awarded the Nobel Prize in Literature in 1955.

Supporting paragraphs: John Gunther Halldór Laxness
Answer: no