Wednesday, October 22nd, 2008
Say happy birthday to your copy machine
1938: Inventor Chester Carlson produces the first electrophotographic image. It’s the precursor of the Xerox machine.
Carlson was an engineer who couldn’t get a job in his field during the Great Depression, so he took work in the patent department of battery-manufacturer P.R. Mallory. A bottleneck in the work was making copies of patent documents: […]



