Ibn Adlan

ʻAfīf al-Dīn ʻAlī ibn ʻAdlān al-Mawsilī (Arabic: عفيف لدين علي بن عدلان الموصلي‎; 1187–1268 CE), born in Mosul, was an Arab cryptologist, linguist and poet who is known for his early contributions to cryptanalysis, to which he dedicated at least two books. He was also involved in literature and poetry, and taught on the Arabic language at the Al-Salihiyya Mosque of Cairo.

Ibn Adlan

ʻAfīf al-Dīn ʻAlī ibn ʻAdlān al-Mawsilī (Arabic: عفيف لدين علي بن عدلان الموصلي‎; 1187–1268 CE), born in Mosul, was an Arab cryptologist, linguist and poet who is known for his early contributions to cryptanalysis, to which he dedicated at least two books. He was also involved in literature and poetry, and taught on the Arabic language at the Al-Salihiyya Mosque of Cairo.