Claim: Plato Tiburtinus was a 12th-century Italian mathematician, astronomer and translator, who lived in Barcelona from 1116 to 1138, best known for translating Hebrew and Arabic documents into Latin.
Evidence: 12th century) was a 12th-century Italian mathematician, astronomer and translator who lived in Barcelona from 1116 to 1138. He is best known for translating Hebrew and Arabic documents into Latin, and was apparently the first to translate information on the astrolabe (an astronomical instrument) from Arabic.