John R. Perry (orientalist)John R. Perry is an American linguist and Professor of Persian Emeritus at the University of Chicago. He is known for his works on Persian and Tajik linguistics and culture.BooksKarim Khan Zand: A History of Iran, 1747–1779, University of Chicago Press, 1979, translated into Persian, 1986, and Kurdish, 2005A Tajik Persian Reference Grammar, Leiden and Boston: Brill, 2005