Joseph Stalin became an atheist after reading The origin of species:
quote:
God's not unjust, he doesn't actually exist. We've been deceived. If God existed, he'd have made the world more just... I'll lend you a book and you'll see.
Joseph Stalin - Wikiquote
Now, unless someone can bring other examples involving other scientific theories, this seems to point that the ToE has a much bigger impact then the vast majority of theories.