- Socrates – One of the most famous philosophers of all time, Socrates was known for his wisdom and his belief in using reason to find the truth.
- Plato – One of Socrates’ students, Plato is one of the most famous philosophers of all time. His philosophy has influenced many people throughout history.
- Aristotle – Another student of Socrates, Aristotle is one of the most famous philosophers of all time. His philosophy has influence many people throughout history.
- Kant – One of the most important philosophers of the Enlightenment, Kant is known for his work on ethics and morality.
- Nietzsche – A controversial philosopher, Nietzsche is known for his critiques of Christianity and traditional morality.