This study is an exploration of the contributions made by neo-Muslim intellectuals to Islamic thought and the development of Islam in the West. It focuses on the works of contemporary neo-Muslim intellectuals that enjoy a wide circulation, especially among Muslim migrants in the West and throughout the Muslim world. Through their intellectual vision, they impart a certain understanding of Islam, which is acceptable in the Western context and culture. They produce a new Islamic literature which can be classified as a Western Islamic literature. The core questions of this study are: - What are the main contributions made by neo-Muslim intellectuals to Islamic thought and the formation of Western Islam? - What is the main focus of their contributions: political, cultural, social, religious? The author presents an overview of the estimated numbers of converts in different European countries and presents detailed profiles of the main protagonists of the study. He reviews the contributions of neo-Muslim intellectuals to Western Islamic literature. He discusses their contributions to Islamic political thought and to Islamic politics.He studies the attitudes of these converts towards Western civilization. In conclusion, he analyses their views on non-Islamic religions, particularly their polemical views on Christianity.