German philosopher Arthur Schopenhauer inspired Philipp Mainländer and Friedrich Nietzsche .
His philosophy was a starting point for a new generation of philosophers , which consisted of Julius Bahnsen , Paul Deussen , Lazar von Hellenbach , Karl Robert Eduard von Hartmann , Ernst Otto Lindner , Philipp Mainländer , Friedrich Nietzsche , Olga Plümacher and Agnes Talbert .