Aristotle was a Greek philosopher and critic who lived from 384-322 BC. He studied under Plato at Plato's Academy in Athens and later founded his own school called the Lyceum. Aristotle made many contributions to literary criticism, including his theories of syllogism, causality, and the mean. He disagreed with Plato's view of art as mere imitation, instead arguing that art could teach morality and universal truths through imaginative creation. Aristotle believed poetry was superior to history as it explored what may happen rather than just factual accounts.