The lack of Aristotle is surprising:

* https://en.wikipedia.org/wiki/Aristotle

Not only his systemized thinking, but his metaphysics—especially since it got later taken up by Christianity/Catholicism. I doubt we would have gotten to Naturalism (and modern science) without his influence:

* https://en.wikipedia.org/wiki/Naturalism_(philosophy)

* https://old.maa.org/press/periodicals/convergence/mathematic...