Meeting in Paraćin, 6. November 1915, from left to right: Erich von Falkenhayn, Crown Prince Boris (of Bulgaria), Hans von Seeckt, Gerhard Tappen, Petǔr Ganchev, Nikola Zhekov, unknown person, August von Mackensen

Meeting in Paraćin, 6. November 1915, from left to right: Erich von Falkenhayn, Crown Prince Boris (of Bulgaria), Hans von Seeckt, Gerhard Tappen, Petǔr Ganchev, Nikola Zhekov, unknown person, August von Mackensen

Image Credit: published in: Der Große Krieg in Bildern (Berlin: Georg Stilke, 1915-1918), Nr. 12, 1915, CC-BY-SA