Gilles Tréhin
Gilles Tréhin is a French artist, author, and creator of the imaginary city of "Urville". His book, also titled Urville, is based on his writings of the fictional city's history, geography, culture, and economy, and includes over 300 drawings of different districts of Urville, all done by Trehin.
Tréhin is an autistic savant who lives in Cagnes-sur-Mer, near Nice, in southeastern France.