The paradoxical philosopher beloved by Socrates, Plato, Hegel, Nietzsche and Heidegger — Heraclitus of Ephesus is a philosopher’s philosopher. He was beloved by such giants as Socrates, Plato, Hegel, Nietzsche and Heidegger. Nietzsche once wrote that “in his presence I feel more at home than anywhere else” while Socrates, when asked what he thought of Heraclitus’s treatise, apparently said: “The part I…