Prince Bernhard in 1967: despite his earlier Nazi links, having married Dutch princess Juliana in 1937, he saw active service as an RAF combat pilot during the second World War. Photograph: Central Press/Hulton Archive/Getty Images After decades of controversy, a new book finally puts paid to denials by the late prince Bernhard, prince consort of the Netherlands from 1948 to 1980, that he was a member of the Nazi Party – by discovering and reproducing his original membership documents. During an extraordinary 93 years, Bernhard was born into an aristocratic German family, was a well-documented member of the Sturmabteilung, the...