Question: Who is the author of the novel which provided the inspiration for a film shown at the opening of the  64th annual Venice International Film Festival?
Context: "Atonement" is a 2007 British romantic World War II film directed by Joe Wright.  Christopher Hampton adapted the screenplay from the eponymous novel by Ian McEwan.  The film focuses on fictional lovers Cecilia (Keira Knightley) and Robbie (James McAvoy), whose lives are ruined when Cecilia's younger sister, Briony (Saoirse Ronan), falsely accuses Robbie of a serious crime.  The film opened the 64th Venice International Film Festival on 29 August 2007 and competed for the Golden Lion.  The following month it screened at the Vancouver International Film Festival and the Toronto International Film Festival.  "Atonement" was released in the United Kingdom by Universal Studios on 7 September 2007.  It was then released in the United States by Focus Features on 7 December 2007.  The film earned over £84 million in its combined total gross at the box office. Kim Ki-duk ( ] ; born December 20, 1960) is a South Korean filmmaker noted for his idiosyncratic art-house cinematic works.  His films have received many distinctions in the festival circuit, making him one of the most important contemporary Asian film directors.  Major festival awards include Golden Lion at 69th Venice International Film Festival for "Pietà", Silver Lion for Best Director at 61st Venice International Film Festival for "3-Iron", Silver bear for Best Director at 54th Berlin International Film Festival for "Samaria" and Un Certain Regard prize at 2011 Cannes Film Festival for Arirang.  His most widely known feature is "Spring, Summer, Fall, Winter... and Spring" (2003), included in film critic Roger Ebert's Great Movies.  Two of his films served as official submissions for Academy award for best foreign language film as South Korean entries.  He has given scripts to several of his former assistant directors including Juhn Jai-hong ("Beautiful" and "Poongsan") and Jang Hoon ("Rough Cut"). Looking for Grace is a 2015 Australian drama film directed by Sue Brooks.  It was screened in the main competition section of the 72nd Venice International Film Festival and in the inaugural Platform section at the 2015 Toronto International Film Festival.  The film was the first film to be directed by an Australian female director to screen at the Venice International Film Festival in 15 years. The 67th annual Venice International Film Festival held in Venice, Italy, took place from 1 to 11 September 2010.  American film director and screenwriter Quentin Tarantino was head of the Jury.  John Woo was awarded the Golden Lion for Lifetime Achievement prior to the start of the Festival.  The opening film was Darren Aronofsky's "Black Swan". The 70th annual Venice International Film Festival took place in Venice, Italy from 28 August to 7 September 2013.  American film director William Friedkin was presented with a lifetime achievement award.  Italian film director Bernardo Bertolucci was the President of the Jury.  He was previously the President of the Jury at the 40th edition in 1983. " Gravity", directed by Alfonso Cuarón, was the opening film of the festival.  Italian actress Eva Riccobono hosted the opening and closing nights of the festival. The 64th annual Venice International Film Festival, held in Venice, Italy, opened on August 29, 2007, with Joe Wright's "Atonement" and closed September 8, 2007.  Host of the event was Italian actress Ambra Angiolini.  The Golden Lion for Lifetime Achievement Award was presented to American director Tim Burton.  Once again all the films running the contest were shown for the first time as world premieres in keeping with the festival tradition since the Second World War. Tracks is a 2013 Australian drama film directed by John Curran and starring Mia Wasikowska and Adam Driver.  It is an adaptation of Robyn Davidson's memoir of the same name, chronicling the author's nine-month journey on camels across the Australian desert.  It was shown at the 2013 Toronto International Film Festival (Special Presentation) and the 70th Venice International Film Festival 2013 (in Official Competition).  It was the opening film at the Adelaide Film Festival on 10 October 2013.  This was the Australian premiere.  The film has also been shown at several other film festivals, including London, Vancouver, Telluride, Dubai, Sydney OpenAir, Dublin and Glasgow. Anything Else is a 2003 American romantic comedy film written and directed by Woody Allen, produced by his sister Letty Aronson, and starring Jason Biggs, Christina Ricci, Allen, Stockard Channing, Danny DeVito, Jimmy Fallon, Erica Leerhsen and KaDee Strickland.  The film was shown as the opening night selection at the 60th annual Venice International Film Festival. Atonement is a 2007 British romantic war drama film directed by Joe Wright and based on Ian McEwan's 2001 novel of the same name.  The film stars James McAvoy, Keira Knightley, Saoirse Ronan, Romola Garai and Vanessa Redgrave, and chronicles a crime and its consequences over the course of six decades, beginning in the 1930s.  It was produced by Working Title Films and filmed in England.  Distributed in most of the world by Universal Studios, it was released in the United Kingdom and Ireland on 7 September 2007 and in North America on 7 December 2007. Stereo is a 2014 German thriller film directed by Maximilian Erlenwein.  The film premiered in the Panorama section of the 64th Berlin International Film Festival.  On 5 July 2014 the film was presented at the Vologda Independent Cinema Voices Festival.  The North American Premiere was celebrated at the Fantasia International Film Festival in Montreal on 31 July 2014.  "Stereo" opened the South Korean Puchon International Fantastic Film Festival 2014.  It was also shown in the "Sang Neuf" (Young Blood) Section at the Beaune Film Festival 2014 and in the International Competition Programme of the Odessa International Film Festival.
Answer: Ian McEwan