For 10 points, name this author of the Cairo Trilogy.
One novel by this author contains a sequence wherein Arafa tunnels under the walls of a mansion, only to kill an old servant. In that work by this author, Hamida's pimp cuts her face with a broken glass. In a religiously allegorical tale by this author, the protagonist is a god-like figure whose sons are Gabal, Rifa'a, and Qasim. In that work, the Satanic Idris tempts the title figures. In another of this man's works, he traces the lives of Yasin and Kamal, two bureaucrats, whose sister Aisha goes mad. That work follows three generations of al-Sayyid Ahmad's merchant family from 1919 to 1945. This author of Children of Gebalawi wrote Sugar Street, Palace of Desire, and Palace Walk. For 10 points, name this author of the Cairo Trilogy.
One novel by this author contains a sequence wherein Arafa tunnels under the walls of a mansion, only to kill an old servant.
Naguib Mahfouz