Avesta of particular manuscripts. A pre-Sasanian history of the Avesta, if it had one, is in the realm of legend and myth. The oldest surviving versions of these tales are found in the ninth to 11th century texts of Zoroastrian tradition (i.e. in the so-called "Pahlavi books"). The legends run as follows: The twenty-one "nask"s ("books") of the Avesta were created by Ahura Mazda and brought by Zoroaster to his patron Vishtaspa ("Denkard" 4A, 3A). Supposedly, Vishtaspa ("Dk" 3A) or another Kayanian, Daray ("Dk" 4B), then had two copies made, one of which was stored in the treasury, and the other
Mehrdad Avesta and history of arts at the University of Tehran. He married two times in 1954 and 1966 and he had one son and three daughters. Avesta died in his office at Vahdat Hall of Tehran while he was editing a poem work. Mehrdad Avesta was born in 1929, in Borujerd. Born to a family of artistic history, he was also greatly interested in art, so he started writing poems from early ages, which were also published. He got his degree in Theology, and then studied philosophy. Along his formal education, he started working as a teacher. Besides, he served in