Died on 1228
Ahmad ibn Ibrahim ibn Ali ibn Munim al-Abdari was a mathematician, originally from Dénia in Andalusia. He lived and taught in Marrakesh where he was known as one of the best scholars in geometry and number theory.
Born on 1312 Died on 1361
Ahmad al-Qalqashandi (1355–1418) wrote the Subh al-a 'sha, a 14-volume encyclopedia which included a section on cryptology. This information was attributed to Taj ad-Din Ali ibn ad-Duraihim ben Muhammad ath-Tha 'alibi al-Mausili who lived from 1312 to 1361, but whose writings on cryptography have be...
Born on 1236 Died on 1304
Jacob ben Machir ibn Tibbon was a Provençal, Jewish astronomer. Jacob occupies a considerable place in the history of astronomy in the Middle Ages. His works, translated into Latin, were quoted by Copernicus, Reinhold, and Clavius. He was also highly reputed as a physician, and, according to Jean As...