Prof. Dr. Andreas Urs Sommer, expert in Nietzsche’s work, director since 2004 of the Forschungsstelle „Nietzsche- Kommentar“ der Heidelberger Akademie der Wissenschaften, and researcher of the International Center of Studies on Contemporary Nihilism (CeNic), published in 2017 his book Nietzsche und die Folgen. Stuttgart, J.B. Metzler.