One of the leading thinkers is Howard Gardner, who developed the theory of Multiple Intelligences. His theory countered the prevailing viewpoint that there is a single human intelligence assessed by the "IQ" test, and recognizes the importance of multiple intelligences, spatial, linguistic, musical, etc. Since the development, of his theory in 1983, other people have used and misused ideas to explain everything from emotional intelligence to the financial intelligence. There have been thousands of articles written in many languages based on his theory. Gardner was able to ...