In his previously unpublished lecture titled "Moses Maimonides and the Contribution of Spanish Jewry to the European Middle Ages," Hans Blumenberg provides an intellectual portrait of Moses Maimonides and his impact on the development of religious philosophy in the Latin world. In this lecture, Blumenberg approaches the history of European thought as an intricate system of intercultural and interreligious discourse. He outlines this system as both open and closed, influenced simultaneously by internal cultural dynamics and external pressures. These factors shape the potential for ideas to be assimilated at specific times and places. Furthermore, Blumenberg emphasizes the critical role of mediation and the transfer of knowledge across different cultural contexts in shaping European intellectual history.