Moebius was an artist who began drawing a cyberpunk future before punk existed. His ideas illustrated steampunk decades before William Gibson and Bruse Sterling wrote the first authoritative steampunk novel The Difference Engine. In the same way that Gibson’s ideas changed the way that the world relates to technology, Moebius changed the vision of technology and the future. His work influenced Blade Runner, Alien, Tron, and countless other films that are genre masterpieces, and he inspired a generation of comic book writers to try to reach an audience beyond teenagers.
He will be sadly missed, but his influence will live on.
Here is a good tribute and summary of his work, also, here is Neil Gaiman’s tribute.