Nelken, Michael 605, 625 Nida-Rümelin, Julian 620 Niebergall, Karl-Georg 355 Nietzsche, Friedrich 51 f., 56f., 64, ... Piper, Ernst 43, 91 Planck, Max 175, 366, 391 Plavius, Heinz 279, 297 Ploenus, Michael 20, 77, 93 Platon 114, 155, ...