Irvine Welsh (born 27 September 1958) is a Scottish writer. He is a novelist, playwright and short story writer. He is best known for his novel "Trainspotting" (1993). It was made into a 1996 movie of the same name. He has also written novels such as "Filth" (1998), "Glue" (2001), "Porno" (2002), "The Bedroom Secrets of the Master Chefs" (2006), "Crime" (2008), "Skagboys" (2012) and "The Sex Lives of Siamese Twins" (2014).