Wikipedia for Ehsan Yarshater:
Ehsan Yarshater (born April 3, 1920) is the founder and director of The Center for Iranian Studies, and Hagop Kevorkian Professor Emeritus of Iranian Studies at Columbia University. He was the first full-time professor of Persian at a U.S. university since World War II.
He is one of the 40 editors of the Encyclopædia Iranica, with articles by 300 authors from various academic institutions. He also edited the third volume of the Cambridge History of Iran, comprising the history of the Seleucid, the Parthians, and the Sassanians, and a volume entitled Persian Literature. He is also an editor of a sixteen-volume series named History of Persian Literature. He has won several International awards for scholarship, including a UNESCO award in 1959, and the Georgio Levi Della Vida Medal for Achievement in Islamic Studies from UCLA in 1991. Lecture series in his name have been instituted at the University of London, and the University of California, Los Angeles, and at the Centre National de Recherche Scientifique in Paris.