Aristotle · Zeno of Citium Were Aristotle and Zeno of Citium alive at the same time? Yes. Aristotle and Zeno of Citium were alive at the same time, from c. 334 BC to 322 BC. AristotleGreek philosopherBorn 384 BC · died 322 BC, aged 61 or 62Zeno of CitiumGreek philosopher, founder of StoicismBorn c. 334 BC · died 263 BC HippocratesDiogenes of SinopeAristotleChanakyaAlexander the GreatEpicurusZeno of CitiumAshokaArchimedes Aristotle and Zeno of Citium in bold, with some of their best-known contemporaries. Drag across to see the age each reached in any year. Faded ends mark uncertain dates.