Nihad Al-Musa is a professor of Arabic and linguistics in the Faculty of Arts, the Jordanian University, Nihad bin Yassin al-Musa also chairs the Department of Postgraduate Studies in Social and Human Sciences at the University of Jordan. He is a member of the board of trustees of Irbid National University (Jordan) and of the King Abdullah Bin Abdel Aziz Center for the Arabic Language. His works include “On the History of Arabic: Studies in the Historical Form of Arabic Grammar,” and “The Theory of Arabic Grammar in Light of the Methodologies of Modern Linguistics,” both published with the support of the University of Jordan.