The author, Prof. Thomas Ballantine Irving, a North American Muslim scholar, is author of several books, including Falcon of Spain (biography of `Abd al‑Rahman I) (Lahore, 1954), Islam Resurgent (Lagos, 1979), Kalilah and Dimnah (Dover, 1980), Polished Jade (A Maya Symphony) (Guatemala, 1982). He has also translated the Qur'an into English (The Qur'an: First American Version, Brattleboro, VT 1985: Amana Books).
He took his Ph. D from Princeton in 1940 and has taught Spanish and Arabic for 40 years until his retirement as Professor Emeritus of Spanish and Arabic from University of Tennessee, Knorxvile in 1980. He is currently doing research for a history of West Africa for Muslim schools and on Central American literature.