Title: Al-Khalil ibn Ahmad

Abu ‘Abd ar-Raḥmān al-Khalīl ibn Aḥmad ibn ‘Amr ibn Tammām al-Farāhīdī al-Azdī al-Yaḥmadī (Arab: أبو عبدالرحمن الخليل بن أحمد الفراهيدي‎; 718 – 786 CE), more commonly known as Al-Farahidi or simply Al-Khalīl, was one of the earliest Arab lexicographers and philologists. Continue reading

Cryptanalysis Treatise Written in Arabic

Cryptanalysis treatise Kitab al-mu'amma (Book of Secret Language), was written by Al-Khalil ibn Ahmad, Arabic philologist circa 750 in Basra, Iraq and author of the first Arabic dictionary. Continue reading