Kant's revolution in methodology limited metaphysics to the conditions of possible experience. Since, following Hume, analysis the method of discovery in early modern physics could no longer ground itself in sense or in God's constituting reason a new arche, origin and principle, was required, which Kant found in the synthesis of the productive imagination, the common root of sensibility and understanding. Charles Bigger argues that this imaginative between recapitulates the ancient Gaia myth which, as used by Plato in the Timaeus, offers a way into this originary arche. Since it depends on...