Isidore of Seville was a Hispano-Roman scholar, theologian and archbishop of Seville. He is widely regarded, in the words of the 19th-century historian Charles Forbes René de Montalembert, as "the last scholar of the ancient world". 560 – 636; died at about 76. Alive at the same time as Umar ibn Al-Khattāb, Brahmagupta, Pseudo-Dionysius the Areopagite, Muhammad, and Alī ibn Abī Ṭālib. Wiki link