Question: Who directed the film that shared being only one of two Greek films winning the Palme d'Or at the Cannes Film Festival with "Eternity and A day"?
Context: Michel Franco (born 1979) is a Mexican film director and producer.  His film "After Lucia" won the Prize Un Certain Regard at the 2012 Cannes Film Festival.  His 2015 film "Chronic" was selected to compete for the Palme d'Or at the 2015 Cannes Film Festival.  At Cannes, Franco won the award for Best Screenplay.  His 2017 film "April's Daughter" has been selected to compete in the Un Certain Regard section at the 2017 Cannes Film Festival. The 63rd Cannes Film Festival was held from 12 to 23 May 2010, in Cannes, France.  The Cannes Film Festival, hailed as being one of the most recognized and prestigious film festivals worldwide, was founded in 1946.  It consists of having films screened in and out of competition during the festival; films screened in competition compete for the Palme d'Or award.  The award in 2010 was won by "Uncle Boonmee Who Can Recall His Past Lives", a Thai film directed by Apichatpong Weerasethakul.  This was determined by the festival's jury members who reviewed films screened in competition.  American film director Tim Burton was the president of the jury for the international competition, and other members of the jury for that competition included actors, screenwriters and composers, such as Kate Beckinsale, Emmanuel Carrère, Benicio del Toro, and Alexandre Desplat.  Other categories for films screened in competition that have their own separate juries for other awards are for Short Films and the Un Certain Regard category. Leonardo Corbucci is an award-winning film director from Italy who is now located in Los Angeles US and member of the DGA (Directors Guild of America).  He has won many prizes from the prestigious "Rising Star" at the Canadian International Film Festival to the "Silver Ace" at the Las Vegas International Film festival, "Best Romance" at the Best of Best Film Fest, "Best Experimental Film" at the Idie Gathering, "Best Drama" at the International Family Film Festival, "Best screenplay" at the Sunset Film Festival, "Honorable Mention" at the Queen World Film Festival, "Titoli Price" at the Murgia Film Festival, "Best Short film" at the Burbank Film Festival.  His films have been official selections at the Venice Film Festival, Beverly Hills Film Festival, Santa Barbara Film Festival, San Diego IndieFest, Phoenix Film Festival, Riverside Film Festival, Seattle True Independent Film Festival, Ventura Film Festival, Rome Film Festival, Riverband Film Festival and screened at that Cannes Film Festival. The Cinema of Greece has a long and rich history.  Though hampered at times by war or political instability, the Greek film industry dominates the domestic market and has experienced international success.  Characteristics of Greek cinema include a dynamic plot, strong character development and erotic themes.  Two Greek films, "Missing" (1982) and "Eternity and a Day" (1998), have won the Palme d'Or at the Cannes Film Festival.  Five Greek films have received nominations for the Academy Award for Best Foreign Language Film. Chasing Shakespeare is a 2013 film directed by Norry Niven, and starring Danny Glover, Ashley Bell, and Graham Greene.  The premiered at the Dallas International Film Festival Festival in April 2013, and was opening night film at the Breckenridge Film Festival, The Montreal Black Film Festival, The 38th annual Native American Film Festival in San Francisco on November 1, 2013, The African Diaspora Film Festival NY and The Orlando Film Festival.  It has been nominated 36 times in as many festivals, winning 27 awards including Best Feature Film at The FirstGlance Film Festival, Best of Fest at The Big Island Film Festival, Best Feature Film at the AFI Cannes Film Festival, Audience Choice, Best Opening Title Sequence at SXSW, Best Dram/Romance at The WorldFest Houston Film Festival, Best Feature Film at the World Peace Initiative The Hampton's Film Festival and Best Director at Red Nations Film Festival and The Orlando Film Festival.  The film was written by James Bird. Abderrahmane Sissako (born 13 October 1961) is a Mauritanian film director and producer.  Sissako is, along with Ousmane Sembène, Souleymane Cissé, Idrissa Ouedraogo and Djibril Diop Mambety, one of the few filmmakers from Africa to reach a measure of international influence.  His film "Waiting for Happiness" ("Heremakono") was screened at the 2002 Cannes Film Festival official selection under Un Certain Regard, winning the FIPRESCI Prize.  His 2007 film "Bamako" received much attention.  Sissako's themes include globalisation, exile and the displacement of people.  His 2014 film "Timbuktu" was selected to compete for the Palme d'Or in the main competition section at the 2014 Cannes Film Festival and nominated for an Academy Award for Best Foreign Language Film. Eternity and a Day (Greek: Μια αιωνιότητα και μια μέρα , "Mia aioniotita kai mia mera ") is a 1998 Greek film starring Bruno Ganz, and directed by Theo Angelopoulos.  The film won the Palme d'Or and the Prize of the Ecumenical Jury at the 1998 Cannes Film Festival.  The film was selected as the Greek entry for the Best Foreign Language Film at the 71st Academy Awards, but was not accepted as a nominee. The Thessaloniki Film Festival started in 1960 and at the beginning comprised exclusively Greek films.  The first years (1960-1965) the festival was called "Week of Greek Cinema".  From 1965 to 1991 the festival was called Festival of Greek Cinema and from 1992 became an international film festival as the Thessaloniki International Film Festival.  Since 1992, Greek films compete in a different section of the festival with the name Greek State Film Awards.  Since 2008, the Greek competition was abolished and remained only the international section of the festival.  Today the Greek films compete in Hellenic Film Academy Awards.  Below are considered the awards of Thessaloniki Film Festival during the period that only Greek films took part (1960-1991). The Cinema of Portugal started with the birth of the medium in the late 19th century.  Cinema was introduced in Portugal in 1896 with the screening of foreign films and the first Portuguese film was "Saída do Pessoal Operário da Fábrica Confiança", made in the same year.  The first movie theater opened in 1904 and the first scripted Portuguese film was "O Rapto de Uma Actriz" (1907).  The first all-talking sound film, "A Severa", was made in 1931.  Starting in 1933, with "A Canção de Lisboa", the Golden Age would last the next two decades, with films such as "O Pátio das Cantigas" (1942) and "A Menina da Rádio" (1944). " Aniki-Bóbó" (1942), Manoel de Oliveira's first feature film, marked a milestone, with a realist style predating Italian neorealism by a few years.  In the 1950s the industry stagnated.  The early 1960s saw the birth of the "Cinema Novo" (literally "New Cinema") movement, showing realism in film, in the vein of Italian neorealism and the French New Wave, with films like "Dom Roberto" (1962) and "Os Verdes Anos" (1963).  The movement became particularly relevant after the Carnation Revolution of 1974.  In 1989, João César Monteiro's "Recordações da Casa Amarela" won the Silver Lion at the Venice Film Festival and in 2009, João Salaviza's "Arena" won the Short Film Palme d'Or at the Cannes Film Festival.  Several other Portuguese films have been in competition for major film awards like the Palme d'Or and the Golden Bear. " João Sete Sete" (2006) was the first Portuguese animated feature film.  Portuguese cinema is significantly supported by the State, with the government's Instituto do Cinema e do Audiovisual giving films financial support. Missing (stylized as missing.)  is a 1982 American historical drama film directed by Costa-Gavras and starring Sissy Spacek, Jack Lemmon, Melanie Mayron, John Shea, Janice Rule and Charles Cioffi.  It is based on the true story of American journalist Charles Horman, who disappeared in the bloody aftermath of the US-backed Chilean coup of 1973 that deposed the democratically elected socialist President Salvador Allende.  Set largely during the days and weeks following Horman's disappearance, the movie depicts his father and wife searching to determine his fate.  The film examines the relationship between Horman's wife Beth (Spacek) and her father-in-law, American businessman Ed Horman (Lemmon).
Answer: Costa-Gavras