Final answer:
Aristotle, a Greek philosopher, founded his own school at the Lyceum in Athens and became one of the most influential philosophers in history.
Step-by-step explanation:
The Greek philosopher who founded his own school at the Lyceum in Athens was Aristotle. Aristotle was a student of Plato and established the Lyceum after Plato's death. At the Lyceum, Aristotle focused on the reasoned study of the natural world and became one of the most influential philosophers in history.