Bernhard KastBernhard "Military History Visualized" Kast Bernhard Kast better known on YouTube as Military History Visualized with 641 000 Subscribers and 87 Million Views. Bernhard has a M.A. in History and M.Sc. in Computer Science both from the University of Slzburg Austria. Christoph "Military Aviation History" Bergs Christoph Bergs better known on YouTube as Military Aviation History with 274 000 Subscribers and 42 Million Views. Christoph has a M.A. in History and Int. Relations from Dundee University. He is currently a PhD Candidate at King's College London. Read More Read Less