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Nizami Ganjavi was an 11th-century Persian poet who is considered one of the greatest writers of the Golden Age of Persian literature. His most famous works include "Khamsa" ("Five Poems"), a collection of five epic poems, and "Iskandar-nama" ("The Book of Alexander"), an epic poem about the life of Alexander the Great. Nizami's work has been influential on many poets and writers, including Hafiz, Saadi, and Amir Khosrow.