The influence and wisdom from ancient philosophers like Socrates, Aristotle, and Plato is undeniable. But how well do you know the life and works of Macrina, Philo of Alexandria, or Gorgias? Although known for his work in botany, did you know Theophrastus was a pupil of Aristotle as well? Peter Adamson, author of the History of Philosophy series, highlights ten under-appreciated ancient thinkers for their important, yet often overlooked, contributions to Western philosophy. Discover more about them in the timeline below.

Featured image credit: The Parthenon (1871) by Frederic Edwin Church. Public domain via Wikimedia Commons.