Theodosius I · Hypatia Were Theodosius I and Hypatia alive at the same time? Yes. Theodosius I and Hypatia were alive at the same time, from c. AD 360 to AD 395. Theodosius IRoman emperor from 379 to 395Born 11 January AD 347 · died 17 January AD 395, aged 48HypatiaGreek Neoplatonist philosopherBorn c. AD 360 · died March AD 415 AmbroseJeromeJohn ChrysostomTheodosius IAugustine of HippoHypatiaLeo I Theodosius I and Hypatia 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.