A promotional image from BBC drama 'Gunpowder' which focuses on the persecution of English Catholics during the Reformation (Image: Robert Viglaski/BBC/Kudos) Amid celebrations of the Reformation's 500th anniversary, we should remember the mass persecutions of 16thC EnglandMartin Luther was a theologian. If you read the Ninety-Five Theses he reputedly tacked up on the door of Wittenberg’s Schlosskirche in October 1517, it is clear his interest lay in the nature of sin, repentance, absolution, penance and salvation. Whatever else his wider agenda was – or became – his initial arguments were presented as scriptural debate on the revealed path to...