Last seen in:
- L.A. Times Daily - Feb 4 2021
- The Washington Post - Feb 4 2021
- L.A. Times Daily - Jun 29 2019
- The Washington Post - Jun 29 2019
- L.A. Times Daily - Nov 17 2015
- Wall Street Journal - May 3 2013 - May 3, 2013 - Color Mixing
- New York Times - Jan 6 2013
- New York Times - Oct 28 2011
- New York Times - Dec 22 2010
- Wall Street Journal - Jan 29 2010 - January 29, 2010 - Brainstorming