Question: Günter Meisner played Mr. Slugworth in the film based on the book written by whom?

full_context: Document 1: Martin Kosleck: Martin Kosleck (March 24, 1904 – January 15, 1994) was a German film actor. Like many other German actors, he fled when the Nazis came to power. Inspired by his deep hatred of Adolf Hitler and the Nazis, Kosleck would make a career in Hollywood playing villainous Nazis in films. While in the United States, he would appear in more than 80 films and television shows in a 46-year span. His icy demeanor and piercing stare on screen made him a popular choice to play Nazi villains. He portrayed Joseph Goebbels, Adolf Hitler's propaganda minister, five times, and also appeared as an SS trooper and a concentration camp officer.
Document 2: Ernst Deutsch: Ernst Deutsch, also known as Ernest Dorian (16 September 1890, Prague – 22 March 1969, Berlin), was an Austrian actor. In 1916, his performance as the protagonist in the world première of Walter Hasenclever's Expressionist play "The Son" in Dresden was praised. Deutsch also played the antihero Famulus in Paul Wegener's "" in 1920. He is known by English-speaking audiences for his role as Baron Kurtz in Carol Reed's 1949 "film noir", "The Third Man".
Document 3: Roald Dahl's Willy Wonka (musical): Roald Dahl's Willy Wonka is a musical that combines elements of both Roald Dahl's book "Charlie and the Chocolate Factory" and of the 1971 movie "Willy Wonka & the Chocolate Factory" with newly created material. The musical has several versions: the original version which premiered in 2004, the Junior version, the Kids version, and the Theatre for Young Audiences version. All are owned by Music Theatre International, the company that owns the Willy Wonka license.
Document 4: Hans Landa: Colonel Hans Landa is a fictional character and the main antagonist in the 2009 Quentin Tarantino film "Inglourious Basterds". He is portrayed by German-Austrian actor Christoph Waltz. For his performance, Waltz won the Academy Award for Best Supporting Actor, and the Best Actor Award at Cannes Film Festival.
Document 5: Charlie and the Chocolate Factory (film): Charlie and the Chocolate Factory is a 2005 musical fantasy film directed by Tim Burton and written by John August, based on the 1964 British novel of the same name by Roald Dahl. The film stars Johnny Depp as Willy Wonka and Freddie Highmore as Charlie Bucket. The storyline follows Charlie, who wins a contest and is along with four other contest winners, subsequently led by Wonka on a tour of his chocolate factory, the most magnificent in the world.
Document 6: Roald Dahl: Roald Dahl ( , ] ; 13 September 1916 – 23 November 1990) was a British novelist, short story writer, poet, screenwriter, and fighter pilot. His books have sold more than 250 million copies worldwide.
Document 7: Werner Krauss: Werner Johannes Krauss ("Krauß" in German; 23 June 1884 – 20 October 1959) was a German stage and film actor. Regarded as one of the greatest actors of his time, Krauss dominated the German stage of the early 20th century. However, his participation in the antisemitic propaganda film "Jud Süß" and his collaboration with the Nazis made him a controversial figure.
Document 8: Willy Wonka &amp; the Chocolate Factory: Willy Wonka & the Chocolate Factory is a 1971 American musical fantasy film directed by Mel Stuart, and starring Gene Wilder as Willy Wonka. It is an adaptation of the 1964 novel "Charlie and the Chocolate Factory" by Roald Dahl. Dahl was credited with writing the film's screenplay; however, David Seltzer, who went uncredited in the film, was brought in to re-work Dahl's screenplay against his wishes, making major changes to the ending and adding musical numbers. These changes and other decisions made by the director led Dahl to disown the film.
Document 9: The Willy Wonka Candy Company: The Willy Wonka Candy Company is a British brand of confectionery owned and licensed by Swiss corporation Nestlé. The Wonka brand's inception comes from materials licensed from British author Roald Dahl. His classic children's novel, "Charlie and the Chocolate Factory", and its film adaptations are the source of both the packaging and the marketing styles of the Wonka brand. The brand was launched in 1971, coinciding with the release of the novel's first film adaptation. In 1988 the Willy Wonka Candy Company brand – then owned by Sunmark Corporation – was acquired by Nestlé. Nestlé sells sweets and chocolate under the Willy Wonka brand name in the United States, Canada, the United Kingdom, the Republic of Ireland, Australia, New Zealand, Japan, South Africa, Mexico, Colombia, Brazil, Argentina, Costa Rica, Panama, Dominican Republic and the Middle East. In mid-2015 the Willy Wonka brand name was dropped by Nestlé, in favour of special "throwback" packaging. Candies previously made by the Willy Wonka brand are now under the Nestlé brand naming, excluding the Wonka brand name on the top left corner.
Document 10: Günter Meisner: Günter Meisner (18 April 1926 – 5 December 1994) was a German film and television character actor. He is remembered for his several cinematic portrayals of Adolf Hitler and for his role as Mr. Slugworth in "Willy Wonka & the Chocolate Factory". He was fluent in four languages and appeared in many English-language, German-language and French-language films.
Document 11: Günter Reich: Günter Reich (22 November 1921 – 15 January 1989), also spelled Günther Reich and Gunther Reich, was an Israeli baritone of German birth. He was a member of the Staatsoper Stuttgart for more than 20 years and is known for interpreting the works of Arnold Schoenberg in collaboration with Michael Gielen and Pierre Boulez.
Document 12: Wonka Bar: The Wonka Bar is both a fictional candy bar, introduced as a key story point in the 1964 novel "Charlie and the Chocolate Factory" by Roald Dahl, and a type of consumer product candy bar inspired by the fictional confection. Wonka Bars appear in both film adaptations of the novel, "Willy Wonka & the Chocolate Factory" (1971) and "Charlie and the Chocolate Factory" (2005), and the play "Charlie and the Chocolate Factory the Musical" (2013) each with different packaging.
Document 13: The Candy Man: "The Candy Man" (or alternatively, "The Candy Man Can") is a song which originally appeared in the 1971 film "Willy Wonka & the Chocolate Factory". It was written by Leslie Bricusse and Anthony Newley specifically for the film. Although the original book by Roald Dahl ("Charlie and the Chocolate Factory") contains lyrics adapted for other songs in the film, the lyrics to "The Candy Man" do not appear in the book. The soundtrack version of the song was sung by Aubrey Woods, who played Bill the candy store owner in the film.
Document 14: Ernst Deutsch: Ernst Deutsch, also known as Ernest Dorian (16 September 1890, Prague – 22 March 1969, Berlin), was an Austrian actor. In 1916, his performance as the protagonist in the world première of Walter Hasenclever's Expressionist play "The Son" in Dresden was praised. Deutsch also played the antihero Famulus in Paul Wegener's "" in 1920. He is known by English-speaking audiences for his role as Baron Kurtz in Carol Reed's 1949 "film noir", "The Third Man".
Document 15: Chitty Chitty Bang Bang: Chitty Chitty Bang Bang is a 1968 British musical adventure fantasy film, directed by Ken Hughes and written by Roald Dahl and Hughes, loosely based on Ian Fleming's 1964 novel "Chitty-Chitty-Bang-Bang: The Magical Car". The film stars Dick Van Dyke, Sally Ann Howes, Lionel Jeffries, James Robertson Justice, Robert Helpmann and Gert Frobe.
ground_truth: Roald Dahl