entered the academy at 18 years old-studied there for 20 years. tutored alexander (the great). founded the lyceum. when alexander died, aristotle was forced to flea athens to avoid being executed.
1st scientific philosopher; contributions to biology, psychology, etc.
“historian of western thought”, discusses both his theories and those before him, attempts to distinguish the various branches of human knowledge. known for distinguishing rationality as the basis of a moral person