Irvine Welsh is a Scottish novelist and short story writer, born on 27 September 1958. He gained prominence with his 1993 novel Trainspotting, which was adapted into a critically acclaimed film. Welsh has also penned plays and screenplays, and directed several short films.
His work often features a strong Scottish dialect and explores the darker aspects of human nature and drug use. Set in his native Scotland, Welsh's novels are known for their portrayal of anti-heroes, small-time crooks, and hooligans, yet he brings a sad humanity to these characters, making them likable despite their flaws.