In the opinion of the Editors, this text as it stands is still thebest non-partisan overview of the approaches to humandevelopment, in its broader and most fundamental sense,which has been produced within an academic environment inorder to clarify thinking on educational policy.—Encyclopedia of World Problems and Human Potential(K.G. Saur) referencing the research reportThe Unfolding of Man (later published as The One Quest)
Claudio Naranjo was a Chilean psychiatrist. He was co-developer of the Enneagram of Personality. His studies and investigations oftenly focused in the search of spirituality to find mental stability, and also some times, the use of lisergic substance to free hidden and harmful thoughts.