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 Otto Lilienthal has been described as “the worlds' first true aviator” and his results and methods were an inspiration to many other pioneers, particularly the Wright brothers. He was the first to realize that the only way to gain essential experience in design and control was to first learn how to glide, a feat he attempted by launching himself from an artificial hill near Berlin or from the Rhinower Hills. Lilienthal focused on the canopied form of bird wing, rather than attempting to develop the cambered aerofoil, and just before his death had even completed a glider with motor driven wing tips. His scientific work with whirling-arm experiments formed the basis of all subsequent aerodynamic investigations.
Lilienthal's untimely death had a profound effect on the history of flight. While flying one of his older gliders in 1896, he was struck by a gust of wind. The nose of the machine was forced up, and he was not able to control the resulting stall. He fell 15 meters, breaking his spine. He died with the words, “Opfer mussen gebracht werden” (Sacrifices must be made).
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