1543 – Luther publishes On the Jews and Their Lies. Here he revisits many horrible lies about the Jewish people, accusing them of poisoning wells and perpetuating the blood libel. Oddly, though, he also avoids the accusations of deicide so familiar in medieval Christianity. Luther is known, among other things, for his short temper, scathing attacks, and behavior that is deeply at odds with the pastor and professor who wrote so lovingly about grace and faith. Many theories have been put forward, including attempts at psychiatric diagnoses. One theory is that his constant problems with his digestive system were also poisoning him. 1545 – Luther authors Against the Roman Papacy, an Institution of the Devil. He calls the Pope the Antichrist (a term still used among fundamentalist Lutherans). As harsh as this tract is, Luther thought that Lucas Cranach went too far in some of the illustrations attached to the text.