Sayed Haydar Amoli, Sayyid Baha al-Din Haydar, Haydar al-'Obaidi al-Hossayni Amoli,a Shi'ite mystic and Sufi, philosophers, was an early representative of Persian Imamite theosophy and one of the most distinguished commentators of the mystic philosopher Ibn Arabi, during the 14th century.