Question: The Commissioner is a 1998 Belgian-German drama film directed by George Sluizer and written by Christina Kallas based on the novel of same name by which British politician and author, and an expert on environmental and population issue, of West Nethercote, Winsford, Somerset?

Context paragraphs:
The Masquerader (1922 film): The Masquerader is a 1922 American silent drama film directed by James Young and starring Guy Bates Post, Ruth Cummings, and Edward Kimball.  A jaded British politician arranges for his place to be taken by his doppelganger cousin.  The film was based on the 1904 novel "The Masquerader" by Katherine Cecil Thurston.  It was remade in 1933 with Ronald Colman in the lead roles.

The Commissioner (film): The Commissioner is a 1998 Belgian-German drama film directed by George Sluizer and written by Christina Kallas based on the novel of same name by Stanley Johnson.  It was entered into the 48th Berlin International Film Festival.

Of Human Bondage (1964 film): Of Human Bondage is a 1964 British drama film directed by Ken Hughes.  The MGM release, the third screen adaptation of W. Somerset Maugham's 1915 novel, was written by Bryan Forbes.

A Civil Action (film): A Civil Action is a 1998 American drama film directed by Steven Zaillian and starring John Travolta (as plaintiff's attorney Jan Schlichtmann) and Robert Duvall, and that is based on the book of the same name by Jonathan Harr.  Both the book and the film are based on a true story of a court case about environmental pollution that took place in Woburn, Massachusetts, in the 1980s.  The film and court case revolve around the issue of trichloroethylene, an industrial solvent, and its contamination of a local aquifer.  A lawsuit was filed over industrial operations that appeared to have caused fatal cases of leukemia and cancer, as well as a wide variety of other health problems, among the citizens of the town.  The case involved is "Anne Anderson, et al., v. Cryovac, Inc., et al.".  The first reported decision in the case is at 96 F.R.D. 431 (denial of defendants' motion to dismiss).  Duvall was nominated for an Academy Award for his performance.

Stanley Johnson (writer): Stanley Patrick Johnson (born 18 August 1940) of West Nethercote, Winsford, Somerset, is a British politician and author, and an expert on environmental and population issues.  He was a Conservative MEP for Wight & Hampshire East from 1979 to 1984 and is a former employee of the World Bank and the European Commission.  He is co-chairman of Environmentalists for Europe (E4E), a collection of pro-EU environmentalists campaigning for the UK to remain a member of the EU.

The Painted Veil (1934 film): The Painted Veil is a 1934 American drama film directed by Richard Boleslawski and starring Greta Garbo.  The film was produced by Hunt Stromberg for Metro-Goldwyn-Mayer.  Based on the 1925 novel "The Painted Veil" by W. Somerset Maugham, with a screenplay by John Meehan, Salka Viertel, and Edith Fitzgerald, the film is about a woman who accompanies her new husband to China while he conducts medical research.  Feeling neglected by her husband, the woman soon falls in love with a handsome diplomatic attaché.  The film score was by Herbert Stothart, the cinematography by William H. Daniels, the art direction by Cedric Gibbons, and the costume design by Adrian.  The film earned $1,658,000 at the box office.

João and the Knife: João and the knife (Portuguese: "João e a faca" ; Dutch: "João en het mes" ) is a 1972 Brazilian drama film directed by Dutch filmmaker George Sluizer.  It was entered into the 22nd Berlin International Film Festival.  The film was also selected as the Brazilian entry for the Best Foreign Language Film at the 46th Academy Awards, but was not accepted as a nominee.

Dark Blood: Dark Blood is a 2012 American-Dutch thriller film directed by George Sluizer, written by Jim Barton, and starring River Phoenix, Judy Davis, and Jonathan Pryce.  The film was not completed due to the death of Phoenix shortly before the end of the project (it would also be the final film made by Sluizer) and remained unfinished for 19 years.  It was the last movie to feature River Phoenix and the only one where Phoenix played the villain.

Damage (1992 film): Damage is a 1992 British/French film directed by Louis Malle and starring Jeremy Irons, Juliette Binoche, Miranda Richardson, Rupert Graves and Ian Bannen.  Based on the novel "Damage" by Josephine Hart, the film is about a British politician (Irons) who shares a sexual relationship with his son's girlfriend and soon to be fiancée.  Miranda Richardson was nominated for an Academy Award and won a BAFTA in the category of Best Supporting Actress for her performance as the aggrieved wife of the film's main character.

Fame Is the Spur (film): Fame is the Spur is a 1947 British drama film directed by Roy Boulting.  It stars Michael Redgrave, Rosamund John, Bernard Miles, David Tomlinson, Maurice Denham and Kenneth Griffith.  Its plot involves a British politician who rises to power, abandoning on the way his radical views for more conservative ones.  It is based on the novel "Fame Is the Spur" by Howard Spring, which was believed to be based on the career of the Labour Party politician Ramsay MacDonald.

Supporting paragraphs: The Commissioner (film) Stanley Johnson (writer)
Answer: Stanley Johnson