Aristotle was a renowned Greek philosopher and scientist, widely recognized as the teacher of Alexander the Great. A student of Plato, he is regarded as one of the most influential figures in Western philosophy. Famous for his extensive writings on a diverse range of subjects—including physics, metaphysics, poetry, theater, music, logic, rhetoric, linguistics, politics, government, aesthetics, ethics, biology, zoology, economics, and psychology—Aristotle was far ahead of his time. His works laid the foundation for the first comprehensive system of Western philosophy, encompassing ideas on morality, aesthetics, logic, science, politics, and metaphysics. This system became a cornerstone of both Islamic and Christian scholastic thought during the medieval period. Aristotle is often referred to as "the last man who knew everything," reflecting his mastery of nearly all known fields of science and the arts in his era. One of his most significant contributions was the formulation of the Aristotelian syllogistic, a systematic approach to logical reasoning that shaped the study of logic for centuries. Another major contribution was his work in zoology, where he systematically classified and studied animals. While many of his conclusions in zoology are now considered outdated, his pioneering efforts were unrivaled until the 19th century. Aristotle's enduring influence across numerous disciplines underscores his status as one of the greatest intellectuals of all time.