Wilbur and Orville Wright demonstrated heavier-than-air,
controlled flight in 1903. Before this, in 1901, they built a wind
tunnel to improve the shape of their wings. Possibly the first
person to realize that Bernoulli’s principle explains the
lift of an airplane wing was Edward Chalmers Huffaker, in a letter
to Samuel Pierpont Langley in 1893. In 1895, Wilbur and Orville
Wright obtained a copies of publications related to flight,
including a paper by Huffaker, from the Smithsonian Institution.
In 1911, Gustave Eiffel proved that Bernoulli’s principle
was responsible for the lift produced by an airfoil.
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