“…. .indirect by any standards and must be called weak at best'' they do not however discount the evidence of professors Coper, Rosenkotter, or Mattheis with respect to their own similar recollections of Stieve's lectures, recollections that were provided over 60 years after the original event (Winkelmann and Schagen, 2009b). 3. I have never asserted that Vogel was a direct witness to Stieve's research during the war years.…”