sentences:  Nietzsche also became familiar with Darwinism through his early reading of Friedrich Albert Lange's "Geschichte des Materialismus" (1865), which criticized Darwin's gradualism.Lange alluded to Stirner in this book, whom he (incorrectly) identified with Schopenhauerian positions.He also mentioned Blanqui's "L'Eternité par les astres", which discussed the thesis of an eternal return.