Question: Paul Thomas Anderson and Jon Turteltaub, are of which mutual nationality?

Context paragraphs:
Magnolia (soundtrack): Magnolia: Music from the Motion Picture is the soundtrack album to the Paul Thomas Anderson motion picture of the same name.  Largely composed of works by Aimee Mann, enough such that she receives a title billing on the album, the album also features tracks by Gabrielle, Supertramp, and Jon Brion.

Inherent Vice (film): Inherent Vice is a 2014 American neo-noir comedy-drama film.  The seventh feature film directed by Paul Thomas Anderson, "Inherent Vice" was adapted by Anderson from the novel of the same name by Thomas Pynchon; the cast includes Joaquin Phoenix, Josh Brolin, Owen Wilson, Katherine Waterston, Eric Roberts, Reese Witherspoon, Benicio del Toro, Jena Malone, Joanna Newsom, Jeannie Berlin, Maya Rudolph, Michael K. Williams and Martin Short.  As with its source material, the storyline revolves around Larry "Doc" Sportello, a stoner hippie and PI in 1970, as he becomes embroiled in the Los Angeles criminal underworld while investigating three cases interrelated by the disappearance of his ex-girlfriend and her wealthy boyfriend.

Paul Thomas Anderson: Paul Thomas Anderson (born June 26, 1970) also known as P.T. Anderson, is an American filmmaker.  Interested in film-making since a young age, Anderson was encouraged by his father, Ernie Anderson, to become a filmmaker.

Boogie Nights: Boogie Nights is a 1997 American drama film written, produced and directed by Paul Thomas Anderson.  It is set in Los Angeles' San Fernando Valley and focuses on a young nightclub dishwasher who becomes a popular star of pornographic films, chronicling his rise in the Golden Age of Porn of the 1970s through to his fall during the excesses of the 1980s.  The film is an expansion of Anderson's mockumentary short film "The Dirk Diggler Story" (1988).  It stars Mark Wahlberg, Julianne Moore, Burt Reynolds, Don Cheadle, John C. Reilly, William H. Macy, Philip Seymour Hoffman and Heather Graham.

Junun: Junun is a 2015 documentary film directed by Paul Thomas Anderson.  It documents the making of the album of the same name in Mehrangarh Fort in Rajasthan, India, by the Israeli composer Shye Ben Tzur, English composer and Radiohead guitarist Jonny Greenwood, Indian ensemble the Rajasthan Express, and Radiohead producer Nigel Godrich.  Greenwood previously composed soundtracks for several Anderson films.

Jon Turteltaub: Jonathan Charles Turteltaub (born August 8, 1963) is an American film director and producer.

Magnolia (score): Magnolia is the score soundtrack to the Paul Thomas Anderson film of the same name.  The score is composed by Jon Brion.  A soundtrack release for the film with original music by Aimee Mann was previously issued in 1999.  Track 9, "Magnolia", appears on said soundtrack, and is the only track from this soundtrack which does so.

Fast as You Can: "Fast as You Can" is a song written by Fiona Apple, and produced by Jon Brion for her second album, "When the Pawn...".  It was released as the album's lead single in late 1999 in the United States and in February 2000 in the United Kingdom.  It became one of Apple's most successful singles in both countries, and its music video, directed by Paul Thomas Anderson, was well received.  The video and track were popular on MTV Europe's US Top 20 resulting in some popularity for Fiona Apple across Europe.

Cigarettes &amp; Coffee: Cigarettes & Coffee is a 1993 short film written and directed by Paul Thomas Anderson starring Philip Baker Hall.  It tells the story of five people's lives all connected through a $20 bill.  The film helped launch the career of Anderson and was used as a basis for his first feature film "Hard Eight" (1996).

Paul Thomas Anderson filmography: American director, screenwriter, and producer Paul Thomas Anderson has directed seven feature-length films, five short films, twelve music videos, one documentary, one television episode as a guest segment director, and one theatrical play.  He made his directorial debut with the mockumentary short film "The Dirk Diggler Story" (1988), at the age of 18, about a pornographic actor in the 1970s.  Anderson followed it five years later with another short film, "Cigarettes & Coffee" in 1993.  In 1996, Anderson wrote and directed the neo-noir crime thriller "Hard Eight", starring Philip Baker Hall, John C. Reilly, Gwyneth Paltrow, and Samuel L. Jackson.  The film was well received, with film critic Roger Ebert saying of it in his review, "Movies like "Hard Eight" remind me of what original, compelling characters the movies can sometimes give us."  Using the basis of "The Dirk Diggler Story", Anderson wrote and directed an expansion of the film entitled "Boogie Nights" in 1997.  The film starred Mark Wahlberg as Eddie Adams/"Dirk Diggler" during the Golden Age of Porn in the 1970s and his eventual downfall in the 1980s.  "Boogie Nights" received acclaim from critics and was a commercial success; at the 70th Academy Awards ceremony, the film was nominated for three Academy Awards, including for Best Supporting Actor (Burt Reynolds), Best Supporting Actress (Julianne Moore) and Best Original Screenplay.

Supporting paragraphs: Paul Thomas Anderson Jon Turteltaub
Answer: American