Ivan Aguéli (born John Gustaf Agelii) (May 24, 1869 – October 1, 1917) also named Shaykh ʿAbd al-Hādī al-ʿAqīlī (Arabic: شيخ عبد الهادی عقیلی‎) upon his conversion to Islam, was a Swedish wandering Sufi, painter and author. As a devotee of Ibn Arabi, his metaphysics applied to the study of Islamic esoterism and its similarities with other esoteric traditions of the world. He was the initiator of René Guénon into Sufism[2] and founder of the Parisian Al Akbariyya society.