“A software program by artist Harold Cohen that creates original artistic images.”
http://en.wikipedia.org/wiki/AARON
Here are examples created by the 2001 Windows Screensaver version, formerly distributed by Kurzweil http://franz.com/success/customer_apps/artificial_intelligence/cohen.lhtml
By the artist: http://web.stanford.edu/group/SHR/4-2/text/cohen.html