Further reading
Rhodes, B. (2008) ‘Frank Blackmore’, The Guardian, 21 June 2008. Available online at: http://www.guardian.co.uk/ theguardian/ 2008/ jun/ 21/ 6 [Tip: hold Ctrl and click a link to open it in a new tab. (Hide tip)]
Useful links
If you have time, you may wish to watch these two short TED videos:
You can read more about the Golden Ratio and rule of thirds on Wikipedia: