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). his 2008 novel "crime" was adapted into a british tv series in 2021. this was the first tv adaptation ever made out of a book by irvine welsh.