PETER DEN HERTOG is a historian and author who specializes in the history of Germany in the first half of the twentieth century, and, in particular, that of Adolf Hitler. A regular guest on radio programs in the Netherlands and Belgium, speaking about anti-Semitism and the Holocaust, he also lectures on these subjects at universities and teacher training colleges. Having studied history, biology and cultural studies, and written novels and thrillers, Peter also teaches the art of writing and is frequently sought-after as a ghost writer.