ΑΙ-Hasan ibn Ali ibn Ahmad al-Katib (Arabic: الحسن بن علي بن أحمد الكاتب) (d. 11th century) more commonly known as al-Hasan al-Katib (الحسن الكاتب) was a Fatimid municipal secretary, philosopher of music[1] and Sufi saint of Egypt.
[2] He learned the knowledge of Sufism from Rudbari.
[3] He is widely known for his book Kamal Adab al-Ghina (كمال آداب الغناء; lit.
'The Perfection of Musical Knowledge').
This biographical article about an Egyptian religious figure is a stub.