The Regensburg Article 5 on Justification: Inconsistent Patchwork or Substance of True Doctrine?The question of the justification of sinners is one of the most complex regions of Christian theology. The Regensburg article on justification proposed a solution that it was hoped would be acceptable to both sides, Protestant and Catholic. In 1541 at the Regensburg Colloquy, three leading Protestant theologians (Melanchthon, Bucer, and Pistorius) and three leading Catholic theologians (Eck, Gropper, and Pflug) debated with the aim of producing a