Aristotle · Mencius Were Aristotle and Mencius alive at the same time? Yes. Aristotle and Mencius were alive at the same time, from c. 372 BC to 322 BC. AristotleGreek philosopherBorn 384 BC · died 322 BC, aged 61 or 62MenciusChinese Confucian philosopherBorn c. 372 BC · died c. 289 BC HippocratesDiogenes of SinopeAristotleChanakyaMenciusAlexander the GreatEpicurusAshoka Aristotle and Mencius 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.