Timothy L. S. Sprigge is a speculative metaphysician who spent most of his career swimming against the current of the dominant linguistic and analytic trends in British philosophy. Working within an intellectual milieu largely hostile to his views, he attempted to provide color to what seemed to him a sterile and narrow orthodoxy. He said in The Vindication of Absolute Idealism (1983) that instead of viewing philosophy as a self-contained intellectual game, he attempts to arrive at answers to the "deep ontological questions about the concrete nature of reality." His highly original metaphysics is a bold affirmation of absolute idealism and of panpsychism, the doctrine that the universe is sentient or conscious. His tightly worked-out system combines ideas of the philosophers who have had the greatest impact on his thought: Baruch Spinoza, William James, F. H. Bradley, George Santayana, Josiah Royce, Alfred North Whitehead, and Arthur Schopenhauer. Sprigge also...