FEREYDUN VAHMAN is Professor Emeritus at University of Copenhagen with more than forty years of teaching and research in Iranian religions and languages. He is the author of number of books in Persian, English and Danish on Iranian philology, Zoroastrian religion, Iranian folklore, as well as a number of books related to the Babi Baha’i religions among them 175 Years of Persecution of the Baha’is of Iran.