Who is Kurt Eisner from Mein Kampf and what is their importance?

Hitler mentions Kurt Eisner several times throughout the book. He describes Eisner as an international Jew. After the fall of the monarchy, Eisner played Bavaria against Prussia. He was a newspaper journalist who traveled all over Germany. To Hitler, Eisner was a servant of the Jews, and in Hitler's view, the Bolsheviks would take control of Germany.