Question: When was the director of "An American Werewolf in London" born? 

Context paragraphs:
John Salthouse: John Salthouse (born John Lewis on 16 June 1951) is a British actor and producer.  He is perhaps best known for acting as Tony in Mike Leigh's "Abigail's Party" and DI Roy Galloway in "The Bill" from 1984 to 1987.  He has also appeared in "I Didn't Know You Cared", "EastEnders", "Miracles Take Longer" and in films such as "A Bridge Too Far" (1977), "The Spy Who Loved Me" (1977), "An American Werewolf in London" (1981), "Give My Regards to Broad Street" (1984) and "Prick Up Your Ears" (1987).

An American Werewolf in Paris: An American Werewolf in Paris is a 1997 comedy horror film directed by Anthony Waller, co-written by Tim Burns, Tom Stern, and Waller, and starring Tom Everett Scott and Julie Delpy.  It follows the general concept of, and is a loose sequel to, John Landis' 1981 film "An American Werewolf in London".  The film is an international co-production between companies from the Netherlands, Luxembourg, the United States, and France.

An American Werewolf in London: An American Werewolf in London is a 1981 horror comedy film written and directed by John Landis and starring David Naughton, Jenny Agutter and Griffin Dunne.  Two young American men, David Kessler (Naughton) and Jack Goodman (Dunne) are attacked by a werewolf on a backpacking holiday in England.  With Jack killed, David is taken to a London hospital, where disturbing apparitions of his deceased friend inform him that he is a werewolf and will transform at the next full moon.  Filming took place in London, Surrey and Wales.

An Erotic Werewolf in London: An Erotic Werewolf in London is a 2008 American made for cable erotic film written and directed by William Hellfire.  It is based on the 1981 horror feature "An American Werewolf in London" written and directed by John Landis.

Mexican Werewolf in Texas: Mexican Werewolf in Texas is a 2005 horror film directed by Scott Maginnis.  The title is a reference to the 1981 horror comedy film "An American Werewolf in London", which was written and directed by John Landis and is in turn a possible reference to the 1928 symphonic poem "An American in Paris".

David Naughton: David Walsh Naughton (born February 13, 1951) is an American actor and singer known for his starring roles in the 1981 horror film, "An American Werewolf in London", and the 1980 Disney comedy, "Midnight Madness" as well as for a long running "Be a Pepper" ad campaign for beverage maker Dr Pepper.  He also starred in the short-lived sitcom "Makin' It" and sang its hit theme song "Makin' It" giving him a Top 5 hit on the Billboard charts.

William Dufris: It was in London where Dufris began his audio career (radio plays, audio books, film/animation dubbing, language tapes).  During this time, he had the privilege of sharing the microphone in a number of BBC Radio plays with Kathleen Turner, Sharon Gless, Stockard Channing, and Helena Bonham-Carter.  Moreover, he worked with legendary director Dirk Maggs (of "Hitchhiker’s Guide to the Galaxy" fame) on his audio drama productions of "Spider-Man" (where he voiced the title role of Peter Parker), Judge Dredd, "Voyage" and "An American Werewolf in London".  He is best known as the original voice of Bob the Builder in the popular children’s show "Bob The Builder" for the US and Canada (series 1-9).  He also voiced Rocky's best friend Elvis and Dougan the red walrus in the children's stop motion TV series "Rocky and the Dodos" for Cosgrove Hall and dubbed several anime films such as "X", "Appleseed" and two of the "Lupin III" films.

John Landis: John David Landis (born August 3, 1950) is an American film director, screenwriter, actor, and producer.  He is best known for the comedy films that he has directed such as "National Lampoon's Animal House" (1978), "The Blues Brothers" (1980), "An American Werewolf in London" (1981), "Trading Places" (1983), "¡Three Amigos! " (1986), "Coming to America" (1988) and "Beverly Hills Cop III" (1994), and for directing Michael Jackson's music videos for "Thriller" (1983) and "Black or White" (1991).

Rick Baker: Richard A. "Rick" Baker (born December 8, 1950) is an American special make-up effects creator, make-up artist, and special effects supervisor, mostly known for his creature effects; he was also a creature designer.  Baker won the Academy Award for Best Makeup and Hairstyling a record seven times from a record eleven nominations, starting in 1981 when he won the inaugural award for "An American Werewolf in London".

Neville Page: Neville Page is a British-American film and television creature and concept designer.  Born in England, he was raised in Manchester, and Chicago, Illinois.  He was inspired by science fiction, including "Star Wars", and makeup artist Rick Baker's work in "An American Werewolf in London".  Page moved to Hollywood at the age of 17, and gained roles as an actor.  He graduated with honors in 1990 from the Art Center College of Design with a degree in industrial design, and went on to teach students in Switzerland.  He focused his work on design consulting along with business partner Scott Robertson.

Supporting paragraphs: An American Werewolf in London John Landis
Answer: August 3, 1950