ʿAbd al-Raḥmān Kh^wārazmī, a calligrapher specialising in nastaʿlīq, living in the mid- to late 9th/15th century, who occasionally called himself ʿImād al-Dīn. It is probable that he worked at the courts of Jahānshāh Qarā-qūyūnlū and his son, Pīr Būdāq, and when the latter lived in Baghdad, the artist was one of his companions (Bayānī, 2/379; Soucek, 147; Sakisian, 35). Later, Kh^wārazmī went to the court of Yaʿqūb Beg Āq-qūyūnlū, and enjoyed his patronage (see ʿĀlī Afandī, 56; Sakisian, 34–35). He was a contemporary of the famous nastaʿlīq calligraphers, Sulṭān-ʿAlī Mashhadī, and …