Al-Hasan al-Katib

ΑΙ-Hasan ibn Ali ibn Ahmad al-Katib () (d. 11th century) more commonly known as al-Hasan al-Katib () was a Fatimid municipal secretary, philosopher of music and Sufi saint of Egypt. He learned the knowledge of Sufism from Rudbari. He is widely known for his book "Kamal Adab al-Ghina" (; ).