Karl Hammer is a Dutch investigative journalist, writer and photographer. After an earlier career as television director and radio presenter he started an international charity organization and worked as a youth coach. Today he is engaged fulltime in writing books, giving lectures and, of course, his photography. In addition to The Secret of the Sacred Panel, he is the author of De Tranen van de Wolf (The Tears of the Wolf), an account of the quest for hidden Nazi Gold and Hitler’s personal diamonds.

Visit Karl's personal website or meet him at Facebook.