In this significant work, Herbert Marcuse, a leading figure of the Frankfurt School, meticulously explores Georg Wilhelm Friedrich Hegel's ontological theories. Marcuse delves into how Hegel's concept of being forms the fundamental bedrock upon which his entire philosophy of history is constructed. The book offers a rigorous critical analysis of Hegel's dialectical method and its profound implications for understanding historical development, human freedom, and the nature of consciousness. Marcuse's insightful interpretation not only elucidates the intricacies of Hegel's thought but also highlights its enduring relevance to contemporary social and philosophical issues, providing a unique perspective on the intersection of metaphysics and historical theory.