Last seen in:
- Universal - May 27 2014
- The Chronicle of Higher Education - Apr 18 2014
- USA Today - Feb 10 2014
- New York Times - Oct 17 2011
- Thinks.com - Mar 17 2011
- Thinks.com - Mar 17 2009
- Thinks.com - Mar 17 2007
- Wall Street Journal - Oct 3 2003 - October 03, 2003 - Back to the Futures
- New York Times - Dec 15 1999