Seymour Papert
Seymour Papert – Wikipedia
One of those interesting people – thanks to one of the cybernetics discussion list, I just heard about – indeed, saw – a short exchange of letters between McCulloch and Piaget expressing a desire to discuss their mutual interest in genetic epistemology, facilitated by Papert..
Obituary: https://news.mit.edu/2016/seymour-papert-pioneer-of-constructionist-learning-dies-0801
Also from wikipiedia (stub article)
In child psychology, Papert’s principle is often used to explain the results of Jean Piaget‘s experiments. It is named for Seymour Papert and states that:
Some of the most crucial steps in mental growth are based not simply on acquiring new skills, but on acquiring new administrative ways to use what one already knows.
— Marvin Minsky
Archive of his papers etc: http://dailypapert.com/