Quote of the day by Erich von Däniken: 'Could it be that God was an extra-terrestrial?'

Erich von Däniken, the author of "Chariots of the Gods," has died at 90. His books proposed that ancient civilizations were visited by alien astronauts, selling millions and sparking debate. Despite scientific criticism and legal troubles, von Däniken maintained his theories, influencing popular culture and pseudo-archaeology.