Ibn al-Bawwab (1000–1022)
Born 1000 CE, died 1022 CE.
Ibn al-Bawwāb (Arabic: إِبْن ٱلْبَوَّاب), also known as Ali ibn-Hilal, Abu'l-Hasan, and Ibn al-Sitri, was an Arabic calligrapher and illuminator who lived in Baghdad. He is the figure most associated with the adoption of round script to transcribe the Qur'an. He most likely died around 1022 CE in Baghdad.
Text from the Wikipedia article Ibn_al-Bawwab, licensed CC BY-SA 4.0.