Demetrios Kydones

Timeline

1. c. 1340–1350Constantinople · ConstantinopleBorn in Crete, he later moved to Constantinople, where under the influence of figures like Barbara Kantakouzene he systematically studied Latin and Western theology, laying the foundation for his later translation work.
2. 1350–1370Constantinople · ConstantinopleHe translated Latin scholastic works such as Aquinas's Summa Theologiae into Greek, sparking wide discussion in Byzantine intellectual circles. Serving as the emperor's chief secretary (megas logothetes), he drafted diplomatic letters to Pope Urban V and other Western powers, advocating union of the Eastern and Western churches.
3. 1370–1398Constantinople · ConstantinopleIn his later years he continued translating and writing letters; his disciples included his brother Prochoros Kydones. His works helped Byzantine elites understand Western Catholic theology and prepared the intellectual ground for the union discussions at the Council of Florence in the fifteenth century; he died in 1398.