Gottfried Wilhelm Leibniz (1646-1716) Widely hailed as a universal genius, Gottfried Wilhelm Leibniz was one of the most important thinkers of the late 17th and early 18th centuries. A polymath and one of the founders of calculus, Leibniz is best known philosophically for his metaphysical idealism; his theory that reality is composed of spiritual, non-interacting … Continue reading Leibniz, Gottfried Wilhelm