Thomas Brobjer is a professor in the Department of the History of Ideas at Uppsala University, Sweden. He has written several books on Nietzsche: Nietzsche’s Ethics of Character (1995), Nietzsche and the 'English': The Influence of British and American Thinking on His Philosophy (2008), Nietzsche's Philosophical Context: An Intellectual Biography (2008) and Nietzsche’s ‘Ecce Homo’ and the Revaluation of All Values (2021). He has also written a large number of articles on different aspects of Nietzsche’s thought and on his influences, especially emphasizing Nietzsche’s reading and his library. Together with Gregory Moore he has edited the book Nietzsche and Science (2004). He is at present working on different aspects of the late Nietzsche’s thought.