Martin Luther formulated his famous reform theses in the eastern Germany city of Wittenberg in 1517. Legend has it that he nailed them to the door of the castle church. Preparations for the prestigious 500th anniversary in 2017 of the Protestant Reformation are already underway. But hardly more than 10 per cent of Wittenberg residents consider themselves Christian today. During the Communist era, the region became the center of East Germany’s chemical industry. And Luther’s town was almost renamed "The City of Chemicals”.