Rashid-al-Din Hamadani

Born in 1247, Rashid al-Din converted to Islam from Judaism by age 30 in 1277 and climbed to become vizier under Ilkhan Ghazan. Ghazan tasked him with writing the Jāmiʿ al-Tawārīkh, now regarded as the most important single source for Ilkhanate and Mongol Empire history. He held the vizierate until 1316, a prolific author who founded the Rab'-e Rashidi academic institution in Tabriz — historian Morris Rossabi calls him "arguably the most distinguished figure in Persia during Mongolian rule". In 1318, charged with poisoning Ilkhanid king Öljaitü, he was executed.