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Boulevard du Temple, Paris, 1838,
by Daguerre - the first photograph
of a person ever made. |
The French Academy of Sciences announced the daguerreotype process on January 9, 1839, which was the first commercially successful photographic process. The image of the daguerreotype is a direct positive made in the camera on a silvered copper plate. This process was developed by Louis Daguerre with Joseph Nicéphore Niépce who had developed the first photographic image in the camera but the exposure process required as long as eight hours. Later the year, William Talbot announced his silver chloride sensitive paper process. These two inventions made photography practical.
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