Zoroaster Zoroaster Zoroaster (, ; "Zōroastrēs"), (Persian: زرتشت pronounced as Zartusht) also known as Zarathustra (, ; "Zaraθuštra"), Zarathushtra Spitama, or Ashu Zarathushtra, was an ancient Persian prophet, spiritual leader and ethical philosopher who taught a spiritual philosophy of self-realization and realization of the Divine. His teachings challenged the existing traditions of the Indo-Iranian religion and later developed into the religion of Mazdayasna or 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
Zoroaster that it was a form of rational Deism, preferable to Christianity. Zoroaster was the subject of the 1749 opera, "Zoroastre", by Jean-Philippe Rameau. With the translation of the Avesta by Abraham Anquetil-Duperron, Western scholarship of Zoroastrianism began. An early 19th-century representation of Zoroaster derived from the portrait of a figure that appears in a 4th-century sculpture at Taq-e Bostan in south-western Iran. In E. T. A. Hoffmann's novel "" (1819), the mage Prosper Alpanus states that Professor Zoroaster was his teacher. In his seminal work "Also sprach Zarathustra (Thus Spoke Zarathustra)" (1885) the philosopher Friedrich Nietzsche uses the native Iranian