Aristotle was one of the most influential philosophers in Western philosophy. He wrote on virtually every topic in philosophy and is cited more than any other philosopher. While little is known about his life, the document provides details on Aristotle's biography, including that he was born in Greece in 384 BCE, studied under Plato for 20 years, tutored Alexander the Great, and established his own school called the Lyceum. The document also discusses Aristotle's views on poetry and dramaturgy, including his definition of tragedy according to its characteristics and components.