Copies in Seconds: Chester Carlson and the Birth of the Xerox Machine by David Owen
"A history of the photocopier offers a portrait of reserved physics graduate Chester Carlson, who invented the copier to ease his job as a patent clerk and who saw his marketing efforts daunted by numerous rejections, before the head of Xerox research recognized the machine's potential. "
"A history of the photocopier offers a portrait of reserved physics graduate Chester Carlson, who invented the copier to ease his job as a patent clerk and who saw his marketing efforts daunted by numerous rejections, before the head of Xerox research recognized the machine's potential. "