The Gallery Ethics Friedrich Daniel Ernst Schleiermacher Friedrich Schiller Max Scheler T. M. Scanlon Geoffrey Sayre-McCord Michael J. Sandel W. D. Ross George Croom Robertson Prodicus Philip Pettit Bahya ibn Paquda Onora O'Neill Hilda D. Oakeley Carlos Santiago Nino Reinhold Niebuhr H. Richard Niebuhr Oswald von Nell-Breuning Thomas Nagel G. E. Moore Jacques Maritain William MacAskill Emmanuel Levinas Katarzyna de Lazari-Radek Louis Lavelle 9 10 11 12 13 14 15 16 17 18 19