Abu ʾl-Qasim Ferdowsi Tusi (c. 940–1020), or Ferdowsi (also transliterated as Firdawsi, Firdusi, Firdosi, Firdausi) was a Persian poet and the author of Shahnameh ("Book of Kings"), which is the world's longest epic poem created by a single poet, and the national epic of Greater Iran. Ferdowsi is celebrated as the most influential figure in Persian literature and one of the greatest in the history of literature. He was called "the Lord of the Word" and "the Savior of the Persian Language".
