Edward de Bono vs Jacques Hadamard vs Brewster Ghiselin vs Lawrence S. Kubie vs Carl Rogers

http://teatd.blogspot.com.es/2011/04/pensamiento-lateral.html

http://evelynrodriguez.typepad.com/crossroads_dispatches/images/2007/04/16/spiral.jpg

http://ccfi.educ.ubc.ca/publication/insights/v11n01/articles/images/caldwellimage.jpg

http://explow.com/dirty

http://psychology.about.com/od/psychologyquotes/ss/great-psychology-quotes_7.htm