and the Tom Hanks film is based on his story.
Steven Spielberg bought the film rights to Nasseri's story and in doing so made him rich, but when I last went through the airport ( a while back) he was still there, sleeping on a bench when I went in and reading a book on the same bench when I went out, three days later.
He was originally booked to fly into Heathrow, but just after he had checked and gone to the airside he discovered that he had lost his boarding pass and entry visa. France refused to let him back in and the airline wouldn't let him board, so he instantly became stateless.
I don't know if he's still there - I believe Belgium offered him entry, and subsequently France relented, and said he could re-enter, but I think he was institutionalised by then - he wouldn't leave.