AI prehistory
l Philosophy     Logic, methods of reasoning, mind as physical
         system foundations of learning, language,
       rationality
l Mathematics     Formal representation and proof algorithms,
       computation, (un)decidability, (in)tractability,
       probability
l Economics     utility, decision theory
l Neuroscience   physical substrate for mental activity
l Psychology      phenomena of perception and motor control,
       experimental techniques
l Computer      building fast computers
engineering
l Control theory   design systems that maximize an objective
       function over time
l Linguistics     knowledge representation, grammar