Moses ben Maimon, also known as Rambam or Maimonides (1138-1204), is a central figure in the history of philosophy and Judaism. His influence endures not only in medieval Jewish thought but also in Christian scholasticism and Islamic thought. This book offers a comprehensive overview of his life, from his early years in al-Andalus, his training and travels, to his maturity in Fustat, where he left a legacy that spans philosophy, rabbinic literature, astronomy, and medicine. Works such as the Mishneh Torah and the Guide for the Perplexed have been and remain fundamental to the study and practice of Judaism and philosophy. Through a narrative that combines scholarly rigor and accessibility, the author presents us with a detailed portrait of a thinker whose ideas on the relationship between faith and reason, epistemology and ethics, resonate strongly in contemporary thought.