Dr. Mohammad Hassan Tahririan (Persian: محمد حسن تحریریان )received his B.A. in English at Isfahan University, 1969 and received his M.A. in English from Shiraz University, 1971. He graduated with a Ph.D. in Applied Linguistics from Indiana University, Bloomington, 1978. He was a member of faculty of foreign languages at University of Isfahan where he retired from. His research interests include Teaching and Learning Foreign Language Skills and Core and non-core vocabulary. He has published a number of Publications from articles to books. He is currently the professor of Applied Linguistics of foreign language department and the educational chancellor of Sheikh Bahaei University of Isfahan.He was one of the ten persons who founded this university in Baharestan New Town, Isfahan.