
Seymour Papert
Logo Co-Creator, Piaget Veteran
An anti-apartheid South African mathematician who studied children with Piaget, then gave them a turtle and a programming language and let them give the orders.
- Turtle Geometry
- Teaches angles by making you walk the turtle’s path yourself.
- Debugging
- Treats a wrong answer as a bug to chase, not a grade.
- LEGO Logo
- Puts programmable construction kits into children’s hands.

