Pupil of Socrates, who contributed to the record of his life.
Prolific stoic of Soli, and disciple of Cleanthes.
18th century Tory disciple of Locke.
Long article about questions of time discussed throughout the history of philosophy.
Third century BCE Greek philosopher and satirist.
4th century BCE philosopher of Abdera who expanded the atomic theory of Leucippus.
Introduction to ethics, with links to other articles at the IEP.
5th century BCE sophist, possibly a mentor of Socrates
Early Greek sophist.
18th century British theologian.
4th century BCE founder of the Greek school of skepticism.
Greek sophist and rhetorician, known as "the Nihilist," born in 483 BCE.