Zeno of Elea (490 BC - 430 BC) was from southern Italy .
He is credited with the logical argument Reductio ad absurdum (Reduction to the Absurd)
The best Analytic philosophy book today is Gödel, Escher, Bach by Douglas Hofstadter,
The main chapters have a dialogue with Achilles and the tortoise,
first used by Zeno of Elea.