Abu al-Qasim Mansur bin Hasan Tosi (940–1025), better known by his pen name Ferdowsi, was a Persian poet who is notable for being the author of the Shahnameh, which is one of the world's longest epic poems created by a single poet, and the greatest epic of the Persian-speaking countries. Ferdowsi is celebrated as one of the most influential figures of Persian literature and one of the greatest in the history of literature.
Source: Wikipedia
