For ten points, name this philosopher who wrote Critique of Pure Reason and introduced the categorical imperative in his Groundwork of the Metaphysics of Morals.
This man wrote a work which compared historical religions to "clothing" and rational religions to "bare humans." Another one of his works proposed constitutional republics as a proper political means of attaining perpetual peace. This philosopher drafted three propositions regarding duty and authored a work which focuses on (*) a priori knowledge. He suggested following an unconditional, universal law that would function in all circumstances. For ten points, name this philosopher who wrote Critique of Pure Reason and introduced the categorical imperative in his Groundwork of the Metaphysics of Morals.
This man wrote a work which compared historical religions to "clothing" and rational religions to "bare humans."
Immanuel Kant