William Peter Blatty, author of The Exorcist, dies at 89Getty Images William Peter Blatty has died of multiple myeloma. READ MORE:* The Exorcist TV series is no remake, says showrunner Jeremy Slater* Exorcist best horror ever? Blatty wrote the screenplay of the film, directed by William Friedkin and starring Linda Blair as the demonically possessed child. Blatty wrote other screenplays and was the producer and director of later horror films, but his reputation was forever connected to "The Exorcist." - The Washington Post

Source: Stuff January 13, 2017 18:26 UTC