This work offers an extensive and detail analysis of the tawhidic principle as articulated by Ismail Raji al-Faruqi in his classical works expounding on its religious implication and outlook. To this end it presents his unprecedented historical ideas and scholarship in the field of Islamic philosophy and theology, comparative religion, sociology, metaphysics, dialectic, art, science and culture. It turns to study his influential philosophical ideas and thought and to discover its phenomenal contribution in modern history of Islam and its scientific and intellectual tradition that manifested...