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Johann Heinrich Schultze

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Born: 12 May 1687 Died: 10 October 1744

Country of origin: Germany


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Description: Johann Heinrich Schulze or Schultz was a German professor and polymath from Colbitz in the Duchy of Magdeburg. He studied medicine, chemistry, philosophy and theology and became a professor in Altdorf and Halle for anatomy and several other subjects. Schulze is best known for the discovery that certain silver salts, most notably silver chloride and silver nitrate, darken in the presence of light, and for using those effects to capture temporary photographic images. In an experiment conducted in 1724 he determined that a mixture of silver and chalk reflects less light than untarnished silver. Though his discovery did not provide ... (more)
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