Douglas Noel Adams (11 March 1952 – 11 May 2001) was an English writer and dramatist. He is best known as the author of The Hitchhiker's Guide to the Galaxy.
Adams also wrote Dirk Gently's Holistic Detective Agency (1987) and The Long Dark Tea-Time of the Soul (1988), and co-wrote The Meaning of Liff (1983), Last Chance to See (1990), and three stories for the television series Doctor Who. A posthumous collection of his work, including an unfinished novel, was published as The Salmon of Doubt in 2002.