For 10 points, name this German philosopher who also feuded with Isaac Newton over the invention of calculus.
Shortly before an unsuccessful summit between this man and the Jansenist theologian Antoine Arnauld, which was aimed at reunifying Protestants and Catholics, this writer put forth his theory of "the soul in a point" in his New Physical Hypothesis. He opposed the "mechanics" of Descartes with his own system of motion called "dynamics," and he strongly endorsed the "principle of sufficient reason," or the notion that this is the best of all possible worlds. For 10 points, name this German philosopher who also feuded with Isaac Newton over the invention of calculus.
Shortly before an unsuccessful summit between this man and the Jansenist theologian Antoine Arnauld, which was aimed at reunifying Protestants and Catholics, this writer put forth his theory of "the soul in a point" in his New Physical Hypothesis.
Gottfried Wilhelm {Leibniz}