U.S. Ambassador John B. Emerson on September 20, 2013 at the installation ceremony of two Stolpersteine commemorating the "Red Orchestra" resistance fighters Mildred Fish-Harnack and her husband Arvid Harnack in Berlin, Genthiner Str. 14In the background: the US-american journalist Joel Waldinger, producer of the documentary "Wisconsin's Nazi Resistance: The Mildred Fish Harnack story" "(center)" and Johannes Tuchel, Director of the Berlin Memorial to the German Resistance "(left border)"