Carlson, Chester Floyd

Carlson, Chester Floyd,

1906–68, American inventor; b. Seattle, Wash. A patent lawyer, he invented (1938) xerographyxerography
, also called electrophotography, method of dry photocopying in which the image is transferred by using the attractive forces of electric charges. A beam of light, usually from a laser, is made to strike the original material, e.g., a white page with black lettering.
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, a method of electrostatic printing. For the next two decades he struggled to find a company that would produce his copying machine, finally finding the Haloid Co., which first marketed a Xerox copier in 1959 and subsequently made a fortune under its new name, the Xerox Corp.

Bibliography

See biography by D. Owen (2004).

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