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Leonardo da Vinci made the first real studies of flight in the 1480's
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Joseph Michel and Jacques Etienne Montgolfier, invented the first hot air balloon.
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George Cayley worked on many designs that used human muscles, but then he had an idea to just glide on air not to go up just to move.
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German engineer, Otto Lilienthal, studied aerodynamics and worked to design a glider that would fly. He was killed when the wind went too high and dropped him.
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Samuel Langley was an astronomer, who realized that power was needed to help man fly
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The airplane was invented by Orville and Wilbur wright. They got the idea for the designs from Octave Chanute.