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Johann H. Schultze 1684 - 1744 German - Preformed experiments that paved the way towards chemical based Photography. It was known that certain chemicals darkened when exposed to sunlight. In 1727 Professor Schulzte heated silver nitrate. The compound did not darken so heat was eliminated as a cause of blackening. Schultze mixed silver nitrate with chalk and using the chalk like a pencil applied this compound to paper using a stencil. When exposed to sunlight the coated paper darkened.

In invention of photography is credited to Nicephore Niece 1765 - 1833 France - who made the first permanent picture, a view from his window using a camera of his design. This first picture was taken in 1827. The picture is currently at Gernsheim Collection, University of Texas at Austin.

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Q: Did Johann Heinrich Schulze invent the photography?
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