ProtestantsBy: Alec Ryrie On the 500th anniversary of Luthers theses, a landmark history of the revolutionary faith that shaped the modern world. "Ryrie writes that his aim 'is to persuade you that we cannot understand the modern age without understanding the dynamic history of Protestant Christianity.' To which I reply: Mission accomplished." Jon Meacham, author of American Lion and Thomas Jefferson Five hundred years ago a stubborn German monk challenged the