Timeline Saturday 22 October 1938

Events on Saturday 22 October 1938 1

• 1938 First xerographic copy Chester Carlson makes the first electrophotographic image Working in a room in Astoria, Queens, Chester Carlson and Otto Kornei produced the first xerographic copy, which read "10-22-38 Astoria". The process later became the basis of the Xerox photocopier.