Mortimer J. Adler (1902-2001) was an American philosopher, educator, and prolific author, renowned for his contributions to philosophy and education through a career spanning over seven decades. A major proponent of the Great Books movement, Adler emphasized the importance of classical education and critical thinking. He co-edited the 54-volume "Great Books of the Western World" series and was a founding member of the Aspen Institute. Adler's works, including "How to Read a Book" and "Aristotle for Everybody," sought to make philosophy accessible to general audiences. His enduring legacy is evident in his advocacy for lifelong learning and intellectual enrichment.