Abbas Hosseini Kashani
Grand Ayatollah Sayyid Abbas Hosseini Kashani was an Iraqi born Iranian Twelver Shi'a Marja from Karbala whose ancestors were from Kashan, Iran hence his surname.
He has studied in seminaries of Najaf, Iraq under Grand Ayatollah Abu al-Qasim al-Khoei and Muhsin al-Hakim.