Question: Heath Ledger Australian actor was in the movie Brokeback Mountain directed by who?

Context:
14th Empire Awards
The 14th Empire Awards ceremony (officially known as the Jameson Empire Awards), presented by the British film magazine "Empire", honored the best films of 2008 and took place on 29 March 2009 at the Grosvenor House Hotel in London, England.
 During the ceremony, "Empire" presented Empire Awards in 12 categories as well as four honorary awards.
 To celebrate the 20th year anniversary of "Empire" magazine a special honorary award was presented, the Actor of our Lifetime and to mark the loss of Heath Ledger, he was awarded the special honorary Heath Ledger Tribute Award.
 The Sony Ericsson Soundtrack Award was renamed to "Best Soundtrack" and the Best Sci-Fi/Fantasy award was renamed this year only to "Best Sci-Fi/Superhero".
 The Best Newcomer and Best Soundtrack awards were presented for the last time.
 Irish comedian Dara Ó Briain hosted the show for the first time.
 The awards were sponsored by Jameson Irish Whiskey for the first time.
Heath Ledger
Heathcliff Andrew Ledger (4 April 197922 January 2008) was an Australian actor and director.
 After performing roles in several Australian television and film productions during the 1990s, Ledger left for the United States in 1998 to develop his film career.
 His work comprised nineteen films, including "10 Things I Hate About You" (1999), "The Patriot" (2000), "A Knight's Tale" (2001), "Monster's Ball" (2001), "Lords of Dogtown" (2005), "Brokeback Mountain" (2005), "The Dark Knight" (2008), and "The Imaginarium of Doctor Parnassus" (2009), the latter two being posthumous releases.
 He also produced and directed music videos and aspired to be a film director.
State Theatre Centre of Western Australia
The State Theatre Centre of Western Australia is a theatre complex located within the Perth Cultural Centre in Perth, Western Australia.
 The larger of three dedicated performance areas is known as the Heath Ledger Theatre in honour of Perth-born film actor Heath Ledger.
Ennis Del Mar
Ennis del Mar (Del Mar in the film) is the fictional main character of the short story "Brokeback Mountain" by Annie Proulx and the 2005 Academy Award-winning film adaptation of the same name directed by Ang Lee.
 Ennis's story is depicted by his complex sexual and romantic relationship with Jack Twist in the American West, over two decades from 1963 to 1983.
 In the film, he is portrayed by Heath Ledger, who was nominated for the Academy Award for Best Actor for his performance.
List of accolades received by Brokeback Mountain
"Brokeback Mountain" is a 2005 American epic romantic drama film directed by Ang Lee.
 Based on the short story of the same name by author Annie Proulx, the story was adapted by Larry McMurtry and Diana Ossana.
 The film depicts the complex emotional and sexual relationship between two men, Ennis Del Mar and Jack Twist (played by Heath Ledger and Jake Gyllenhaal, respectively) in the American West between 1963 and 1983.
 Michelle Williams, Anne Hathaway, Linda Cardellini, Randy Quaid, Anna Faris, and Kate Mara feature in supporting roles.
Melissa Thomas
Mélissa Thomas is an Australian actress.
 She is the daughter of the musician and record producer G. Wayne Thomas, (Morning of the Earth) and co-starred with Heath Ledger in the television series "Sweat" (1996) and has most recently been seen in the Heath Ledger episode of "E! True Hollywood Story" as herself, speaking frankly about life as his friend and co-star.
 She has featured in a number of films and television series / mini-series over the years.
Jared Daperis
Jared Daperis (born 18 August 1990) is an Australian actor.
 He has received a Young Artist Award nomination.
 Daperis' recent film work has been compared with that of a "young Mel Gibson", whilst co-stars have likened him to Heath Ledger.
 He is the middle child of three.He is the brother of actor and director Daniel Daperis.
and he has a younger sister Stephanie Daperis.
Brokeback Mountain
Brokeback Mountain is a 2005 American neo-western romantic drama film directed by Ang Lee and produced by Diana Ossana and James Schamus.
 Adapted from the 1997 short story of the same name by Annie Proulx, the screenplay was written by Ossana and Larry McMurtry.
 The film stars Heath Ledger, Jake Gyllenhaal, Anne Hathaway, and Michelle Williams, and depicts the complex emotional and homosexual relationship between Ennis Del Mar and Jack Twist in the American West from 1963 to 1983.
Peter Finch
Frederick George Peter Ingle Finch (28 September 191614 January 1977) was an English-born Australian actor.
 He is best remembered for his role as "crazed" television anchorman Howard Beale in the film "Network", which earned him a posthumous Academy Award for Best Actor, his fifth Best Actor award from the British Academy of Film and Television Arts, and a Best Actor award from the Golden Globes.
 He was the first of two persons to win a posthumous Academy Award in an acting category, and coincidentally also the first of the two Australian actors to have done so, the other being Heath Ledger.
The Joker (The Dark Knight)
The Joker is a fictional supervillain from American comic book publisher DC Comics and the main antagonist in Christopher Nolan's 2008 superhero film "The Dark Knight".
 He was portrayed by late Australian actor Heath Ledger.
 Ledger's interpretation of the character is specifically influenced by the graphic novels "" and "".
 In the film, he wears the character's traditional color palette, while his facial appearance includes clown makeup that covers facial scars of a Glasgow smile.

Answer: Ang Lee