Philosophy-Theology By brancheb Period: 470 BCE to 399 BCE Socrates https://en.wikipedia.org/wiki/Socrates Period: 427 BCE to 347 BCE Plato https://en.wikipedia.org/wiki/Plato 387 BCE Plato founds The Academy Period: 384 BCE to 322 BCE Aristotle https://en.wikipedia.org/wiki/Aristotle 356 BCE Birth of Alexander the Great https://en.wikipedia.org/wiki/Alexander_the_Great 323 BCE Death of Alexander the Great 266 BCE The New (Sceptical) Academy founded by Arcesilaus https://en.wikipedia.org/wiki/Academic_skepticism Period: 20 BCE to 50 Philo Period: 100 to 165 Justin Martyr Period: 204 to 270 Plotinus Regarded as the father of Neo-Platonism https://en.wikipedia.org/wiki/Plotinus