Ishaq al-Turk
Ishaq al-Turk was an Iranian rebel who started a rebellion in
.After Abu Muslim's murder at the orders of
Abu Muslim Khorasani), and constitute the fundamental ideology of the sect well known as Bābak’iyyāh
in the future.
He received the sobriquet "Turk" because of his frequent visits among the Turks of Transoxania.