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Cameras were used to form images on dark walls. The images were formed using a pinhole.
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Professor J. Schulze mixed chalk, nitric acid, and silver in a flask; and saw darkening on the side of a flask that was exposed to sunlight which created the first picture.
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Niépce created the first permanent image ever!
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Created an imageon silver-plated copper, coated with silver iodide and developed it with warmed mercury
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Henry created the very first ever permant negative picture using paper soaked in silver chloride and fixed with a salt solution
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Adolphe Disderi developd the carte-de-visite photography in Paris which lead to worldwide boom in portrait studios.
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Matthew Brady took 7000 negatives during the American Civil War
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acob Riis published the image of How the Other Half Lives New york City
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Lewis Hine was hired by US National Child Labor Committee to take picture of the children working in the mills to show the dangers.
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Harold Edgerton invented strobe photography at MIT.
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Nicholas Nixon took a picture of his wife and her sisters.
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Adobe photoshop was released.
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Kodak introduced PhotoCD
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Camera phones were introduced in 2000 in Japan!