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
Zarathustra (horse) Zarathustra (horse) Zarathustra (1951–1967) was an Irish-bred Thoroughbred racehorse and sire. He won races over distances ranging from five furlongs to two and a half miles, but was especially effective over extended distances. Zarathustra was bred by Sir Harold Gray at Graymount in Antrim, Northern Ireland in 1951. When Gray died later the same year, the ownership of his horses, including the black foal who would become known as Zarathustra passed to his son, the writer and philosopher Terence Gray (Wei Wu Wei). Gray declined several offers to buy the colt and sent him to be trained in Ireland by