The "footnote to Plato" thing is mostly accurate, though, at least if we're talking about philosophy posterior to Plato and prior to Descartes
1. You are grossly underestimating Plato, mainly because you've probably only read him through modern lenses. Jonathan Barnes and Proclus are not equal interpreters of Plato and Aristotle. Just saying.
2. You are grossly overestimating modern thought and methods.
Berkeley was defeated by G. E. Moore. — mosesquine
Aside from that, Wittgenstein is a good choice, especially as he's been so influential to 20th century philosophy. — Terrapin Station
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