Chapter 4

GPS: The General Problem Solver

There are now in the world machines that think.

–Herbert Simon

Nobel Prize-winning Al researcher

The General Problem Solver, developed in 1957 by Alan Newell and Herbert Simon, embodied a grandiose vision: a single computer program that could solve any problem, given a suitable description of the problem. GPS caused quite a stir when it was introduced, and some people in AI felt it would sweep in a grand new era of intelligent machines. Simon went so far as to make this statement about his creation:

It is not my aim to surprise or shock you.… But the simplest way I can summarize is to say that there are now in the world machines that think, that learn and create. Moreover, their ability to do these things is ...

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