Essays on Zarathustra and ZoroastrianismTranslated and edited by Prods Oktor Skjærvø by Jean Kellens 0 Reviews Jean Kellens, one of the foremost experts on Old Iranian literature for the last quarter of a century, is professor at the Collège de France, Paris. He began his Iranian studies with Professor Jacques Duchesne-Guillemin at Liège, Belgium, in the 1960s before... $19.95