Alphabetical Index Index by Year of Birth
Chester Floyd Carlson
* 1906 Seattle, Washington
+ 1968 New York City
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Chester Floyd Carlson was an American physicist, inventor, and patent attorney.
Carlson invented electrophotography (now xerography, meaning "dry writing"),
producing a dry copy in contrast to the wet copies then produced by the Photostat process;
it is now used by millions of photocopiers worldwide.
2026 J. Giesen