Ibn Khaldun · Geoffrey Chaucer Were Ibn Khaldun and Geoffrey Chaucer alive at the same time? Yes. Ibn Khaldun and Geoffrey Chaucer were alive at the same time, from c. 1343 to c. 1400. Ibn KhaldunHistoriographer and historianBorn 1331–1332 · died 1405–1406, aged 73 or 74Geoffrey Chaucer14th century English poet and authorBorn c. 1343 · died c. 1400 Ibn BattutaPetrarchHafezIbn KhaldunTimurGeoffrey Chaucer Ibn Khaldun and Geoffrey Chaucer 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.