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 with Plato on natural philosophy. With respect to substance and content in "On Nature" only two facts are known: that it was crammed with astrological speculations, and that Necessity ("Ananké") was mentioned by name and that she was in the air. Pliny the Elder names Zoroaster as the inventor of magic ("Natural History" 30.2.3). "However, a principle of the division of labor appears to have spared Zoroaster most of the responsibility for introducing the dark arts to the Greek and Roman worlds." That "dubious honor" went to the "fabulous magus, Ostanes, to whom most of the pseudepigraphic magical literature was