Share This Article 1. This German World War One flying ace’s autobiography was titled in English: Ace of the Iron Cross Hermann Goering Ernst Udet Lothar von Richthofen Wilhelm Frankl 2. This German general’s nickname was “The Sphinx.” Wilhelm Groener Hans von Seeckt Paul von Hindenburg Rüdiger von Goltz 3. From the 790s to the 1000s Christian monks often prayed to be spared from the fury of these people. The Moors The Viking The Avars The Huns Loading …