There are few historical figures in memory even after 500 years, friend or foe, who were as influential as Martin Luther. In the course of 500 years Martin Luther was viewed in many different ways: Luther as a reformer, Luther as a church father of Protestantism, Luther as a champion of reason and freedom, Luther as a brave German national hero, and many other images assigned to Luther. For Catholics, Luther has long been one of the heretics par excellence,...