In 1916, Imperial German aerial domination, once held by rotary-engined Fokker and Pfalz E-type wing-warping monoplanes, had been lost to the more nimble French Nieuport and British DH 2s which not only out-flew the German fighters but were present in greater numbers. Born-from-experience calls from German fighter pilots requested that, rather than compete with the maneuverability of these adversaries, new single-engine machines should be equipped with higher horsepower engines and armed with two, rather than the then-standard single machine guns. The Robert Thelen-led Albatros design...