Zoroaster Street and Madison Avenue in Manhattan. A sculpture of Zoroaster appears with other prominent religious figures on the south side of the exterior of Rockefeller Memorial Chapel on the campus of the University of Chicago. Although a few recent depictions of Zoroaster show the prophet performing some deed of legend, in general the portrayals merely present him in white vestments (which are also worn by present-day Zoroastrian priests). He often is seen holding a "baresman" (Avestan; Middle Persian "barsom"), which is generally considered to be another symbol of priesthood, or with a book in hand, which may be interpreted to
Iranian philosophy of Zarathustra (Zoroaster) appeared in Persia at some point during the period 1700-1800 BCE. His wisdom became the basis of the religion Zoroastrianism, and generally influenced the development of the Iranian branch of Indo-Iranian philosophy. Zarathustra was the first who treated the problem of evil in philosophical terms. He is also believed to be one of the oldest monotheists in the history of religion. He espoused an ethical philosophy based on the primacy of "good thoughts (andiše-e-nik), good words (goftâr-e-nik), and good deeds (kerdâr-e-nik)." The works of Zoroaster and Zoroastrianism had a significant influence on Greek philosophy and Roman philosophy.