Nietzsche: Philosopher, Psychologist, Antichrist is a book about the German philosopher Friedrich Nietzsche by Walter Kaufmann, first published in 1950 by Princeton University Press, with revised editions in 1956, 1968, and 1974. The book was republished by Princeton University Press in 2013, with a new introduction by Alexander Nehamas.Kaufmann 2013. p. iv-ix.