Historical material: Grey Walter's 'turtle robots' Elmer and Elsie

This popular-scientific publication by Grey Walter (translated to Dutch for the Echo journal) shows how much of the essential ideas in this field was already introduced in the early nineteen fifties.

Dr. Grey Walter. Electronische schildpadden met menselijke eigenschappen. (Electronic turtles with human characteristics) De Internationale Echo, (48), augustus 1950, pp. 208-211.

A list of concepts already introduced here by Grey Walter:

Related links

Lambert Schomaker