Statue of Martin Luther Lutheran Cathedral Helsinki Finland Luther was a German priest and theologian who was a major inspiration behind the Protestant Reformation He was excommunicated by Pope Leo IX in and declared an outlaw at the Diet of Worms Under the protection of the Elector of Saxony Luther produced a German translation of the Bible and he went on to found the Lutheran Protestant Church Helsinkis Lutheran Cathedral Tuomiokirkko also known as the Cathedral of St Nicholas was designed by by Carl Engel and built between and