Immanuel Kant was a German philosopher who lived from 1724 to 1804. He is widely considered to be one of the most influential figures in modern philosophy and is known for his works on ethics, aesthetics, and metaphysics. Kant's most famous work is the Critique of Pure Reason, which is considered to be one of the most important philosophical works of all time. Kant's other works include The Metaphysics of Morals, The Critique of Practical Reason, and The Critique of Judgment. Kant's philosophy has had a lasting impact on modern thought and continues to be studied and discussed today.