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George Mestral was inspired by mother nature.
George de Mestral from Switzerland went on a hunting trip. During the trip he noticed that his pants and socks were covered with cockleburs. He looked closely at the burs and noticed their tiny hooks. He began to think of ways to use nature's solution in a more practical way.
Velcro is a biological mimic of nature's Cocleburs. Just as the barbed wire!
William Harvey discovered the true nature of circulation of blood and the function of the heart as a pump.