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
Zoroaster that the chronological calculation for Zoroaster was developed by Persian magi in the 4th century BCE, and as the early Greeks learned about him from the Achaemenids, this indicates they did not regard him as a contemporary of Cyrus the Great, but as a remote figure. Some later pseudo-historical and Zoroastrian sources (the "Bundahishn", which references a date "258 years before Alexander") place Zoroaster in the 6th century BCE, which coincided with the accounts by Ammianus Marcellinus from 4th century CE. The traditional Zoroastrian date originates in the period immediately following Alexander the Great's conquest of the Achaemenid Empire in