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Oswald Boelcke (German pronunciation: [ˈbœlkə]; 19 May 1891 – 28 October 1916) was a German flying ace of the First World War and one of the most influential patrol leaders and tacticians of the early years of air combat. Boelcke is considered the father of the German fighter air force, as well as the "Father of Air Fighting Tactics"; he was the first to formalize rules of air fighting, which he presented as the Dicta Boelcke. While he promulgated rules for the individual pilot, his main concern was the use of formation fighting rather than single effort.
Germany's premier ace, Manfred von Richthofen (The Red Baron), had been taught by Boelcke and continued to idolize his late mentor long after he had surpassed Boelcke's tally of victories.

From Wikipedia