Gardner proposed a theory of multiple intelligences that suggests there is more than one intelligence.
He considers children and adults to be individuals who all have skills and areas that we enjoy and excel at and that these fit into our major intelligence.
The following article "Howard Gardner - Multiple Intelligence" provides details on Gardner's theory of multiple intelligence, learning styles and multiple intelligence and Gardner's theory in practice which can be incorporated into the service.
For more information, please read the following: Howard Gardner - Multiple Intelligence