tradition and Islam. In addition, the Somali community has produced numerous important Islamic figures over the centuries, many of whom have significantly shaped the course of Muslim learning and practice in the Horn of Africa, the Arabian Peninsula, and well beyond. Among these Islamic scholars is the 14th century Somali theologian and jurist Uthman bin Ali Zayla'i of Zeila, who wrote the single most authoritative text on the Hanafi school of Islam, consisting of four volumes known as the Tabayin al-Haqa’iq li Sharh Kanz al-Daqa’iq. Important Islamic figures Abdirahman bin Isma'il al-Jabarti – 10th century Islamic leader in Somaliland. Sheikh Isaaq Bin Ahmed Al Hashimi – 12th century Islamic leader in Somaliland Yusuf bin Ahmad al-Kawneyn – 13th century scholar, philosopher and saint. Associated with the development of Wadaad writing. Abadir Umar ar-Rida – 13th century Sheikh and patron saint of Harar. Uthman bin Ali Zayla'i – 14th century Somali theologian and jurist who wrote the single most authoritative text on the Hanafi school of Islam, consisting of four volumes known as the Tabayin al-Haqa’iq li Sharh Kanz al-Daqa’iq. Sa'id of Mogadishu – 14th century Somali scholar and traveler. His reputation as a scholar earned him audiences with the Emirs of Mecca and Medina. He travelled across the Muslim world and visited Bengal and China. Ahmad ibn Ibrahim al-Ghazi (c. 1507 – 21 February 1543) – 16th century Imam and military leader that led the Conquest of Abyssinia. Nur ibn Mujahid – 16th century Somali Emir and patron saint of Harar. Ali al-Jabarti (d. 1492) – 16th century Somali scholar and politician in the Mamluk Empire. Hassan al-Jabarti (d. 1774) – Somali mathematician, theologian, astronomer and philosopher; considered one of the great scholars of the 18th century. Abd al-Rahman al-Jabarti (1753–1825) – Somali scholar living in Cairo that recorded the Napoleonic invasion of Egypt. Abd al Aziz al-Amawi (1832–1896) – 19th century influential Somali diplomat, historian, poet, jurist and scholar living in the Sultanate of Zanzibar. Shaykh Abd Al-Rahman bin Ahmad al-Zayla'i (1820–1882) – Somali scholar who played a crucial role in the spread of the Qadiriyyah movement in Somalia and East Africa. Sheikh Madar (1825-1918) - Influential 19th & 20th century Qadiriyya leader and founder of the Hargeisa tariqa Shaykh Sufi (1829–1904) – 19th century Somali scholar, poet, reformist and astrologer. Sheikh Uways Al-Barawi (1847–1909) – Somali scholar credited reviving Islam in 19th century East Africa and with followers