1935 Maze Solver – Dr. Stevenson Smith and Thomas Ross

MECHANICAL RAT FINDS WAY IN MAZE  – Popular Science Nov 1935 As if endowed with powers of reasoning, a mechanical “rat” devised by Dr. Stevenson Smith, University of Washington psychologist, threads its way through an artificial maze like those used to study the behavior of living rats. The three-wheeled, electric-powered device moves along a grooved path …