Was a Greek Stoic philosopher. He was born into slavery at Hierapolis, Phrygia and lived in Rome until his banishment, when he went to Nicopolis in northwestern Greece, where he spent the rest of his life.
Was a French philosopher, art critic, and writer, best known for serving as co-founder, chief editor, and contributor to the Encyclopédie along with Jean le Rond d'Alembert. He was a prominent figure during the Age of Enlightenment.
Was a Latin writer, best known for his sententiae. He was a Syrian from Antioch who was brought as a slave to Roman Italy.