Since liberalism now means the opposite of what it did in the late 1700's, I'd guess Thomas Jefferson - the anti-Federalist. But if I have to choose from the list I'd have to go with John Locke.
I agree, from the list given, it's John Locke.
It depends on if you mean classical liberalism or the modern variety. Classical liberalism - yes, John Locke. The yucky kind - maybe Woodrow Wilson is the American conduit of the Marxist philosophy.
Cheers to Audrey for differentiating the "classical" vs. "yucky kind".Classical? I would say John Locke. For the yucky kind, can we end a cybernetic organism back in time to make sure the father is never born?
I would say Jesus Christ.