Zoroaster, also known as Zarathustra, was an ancient Iranian prophet whose teachings developed into Zoroastrianism. He inaugurated a movement that eventually became the dominant religion in Ancient Persia. He was a native speaker of Old Avestan and lived in the eastern part of the Iranian Plateau, but his exact birthplace is uncertain.Dating is uncertain as there is no scholarship consensus, as on linguistic and socio-cultural evidence, he is dated...