Among Steadman's many achievements are his illustrations of classics "Alice in Wonderland" and "Animal Farm," printed etchings on writers from Shakespeare to Burroughs, and published books on the lives of Sigmund Freud, Leonardo da Vinci and God. The Steadman-Thompson collaboration defined the Gonzo journalism movement, taking a critical eye to the Vietnam era.
Paul himself is a former director of advertising and an artist, and has spent the last decade making the film.
Depp starred in 1998's "Fear and Loathing in Las Vegas" as journalist Raoul Duke on a drug-induced odyssey through the eponymous desert city. It is based on the novel written by Thompson and illustrated by Steadman.