Prof. Feiil proved that Armenian Diaspora genocide claims originated from certain false documents and photographs created by the Armenian author Aram Andonian and brought together the evidence and documents in his book A Terrorist Myth. Fiegl dedicated his book published in Turkish German and English to Erdoğan Özen. Prof. Erich who has numerous books and films under his name was awarded the Austrian Republic's Prize for Science and Art and the Vienna Province Gold Medal of Service.