Question: Marguerite Duras and Leni Riefenstahl, is French?

Context articles: The Wonderful Horrible Life of Leni Riefenstahl
Leni Riefenstahl
Moderato Cantabile
India Song
Leni Riefenstahl's Memoiren
Duras: Duchamp
Marguerite Duras
Leni Riefenstahl: Her Dream of Africa
La Musica (film)
Des journées entières dans les arbres

The Wonderful, Horrible Life of Leni Riefenstahl (German: "Die Macht der Bilder: Leni Riefenstahl" ) is a 1993 German documentary film about the life of German film director Leni Riefenstahl, directed by Ray Müller.
Helene Bertha Amalie "Leni" Riefenstahl (] ; 22 August 1902 – 8 September 2003) was a German film director, producer, screenwriter, editor, photographer, actress and dancer.
Moderato Cantabile is a novel by Marguerite Duras.
 It was very popular, selling half a million copies, and was the initial source of Duras's fame.
India Song is a 1975 French drama film directed by Marguerite Duras.
 "India Song" stars Delphine Seyrig, Michael Lonsdale, Mathieu Carrière, Claude Mann, Vernon Dobtcheff and Didier Flamand.
 The film centres on Anne-Marie (Seyrig), the promiscuous wife of the French ambassador in India, and was based on an unproduced play written by Duras (which itself was based on her published novel "Le Vice-Consul").
 Although set in India, the film was shot mostly on location in a mansion in Paris.
Leni Riefenstahl's Memoiren is the 1987 autobiography of German film director, Leni Riefenstahl.
 The book received a 1993 American release and coincided with the release of the acclaimed documentary; "The Wonderful, Horrible Life of Leni Riefenstahl" as well as Riefenstahl's ninetieth birthday.
 It was featured on the 1993 "New York Times" list of notable books of the year.
Duras: Duchamp is an album of contemporary classical music by American composer and saxophonist/multi-instrumentalist John Zorn consisting two tribute compositions for Marguerite Duras and Marcel Duchamp.
Marguerite Donnadieu, known as Marguerite Duras (] ; 4 April 1914 – 3 March 1996), was a French novelist, playwright, scriptwriter, essayist, and experimental filmmaker.
 Her 1959 film "Hiroshima mon amour", earned her a nomination for Best Original Screenplay at the Academy Awards.
Leni Riefenstahl: Her Dream of Africa ("Leni Riefenstahl: Ihr Traum von Afrika") is a 2000 documentary-film by Ray Müller.
 The film follows Leni Riefenstahl's return to Sudan to visit the Nuba tribe whom she published photographs of in best-sellers such as "The Last of the Nuba" and "The People of Kau".
 It is the second collaboration between Riefenstahl and Müller.
 She was the subject of his acclaimed 1993 documentary "The Wonderful, Horrible Life of Leni Riefenstahl", which followed her life and reflected on her Nuba activities.
La Musica is a 1967 French drama film directed by Marguerite Duras and Paul Séban after Duras' play of the same name () first performed 8 October 1965 at the Studio des Champs-Elysées.
Des journées entières dans les arbres (in English, Entire Days in the Trees) is a 1976 French film directed by Marguerite Duras, based on her novel.
 Prior to directing a film version of the novel, Duras had already modified it into a stageplay that had enjoyed a theatrical run.