The following diagram presents the central theme of this Web
page. At the center of the diagram is a team consisting of one
or more people that is faced by a problem to be solved, as task
to be accomplished, or a question to be answered. The Problem
Solving Team has three types of aids: David Perkins, a professor
at Harvard University, uses the term "Person Plus" in discussing
this situation. The formal and informal education and training
that a person receives, along with the tools that are available
to the person, create a Person Plus. A teacher in our formal
educational system plays a major role in the education of Person
Plus. Mind and Body Tools Overlap Even the simplest body tools
contain, carry, or represent some of the knowledge and skill of
their inventors and producers. The spear, perhaps with a fire-
hardened point, may have been independently invented by a number
of people. But, most people learned about the spear, and how to
use it, from others in their tribe. During their lives they were
able to