Translated the Bible, encouraging and allowing people to be educated in their own language.
Wrote the first picture book for children, Orbis Pictus
Believed children to be "blank tablets" ready to learn at birth
Formed the first kindergarten and believed children should learn through play
Thought that children's interests should form the curriculum and that we should teach children for today, not for tomorrow.
Respect for children and a prepared environment are essential for child learning
Developed Ages and Stages for child development
Introduced the Zone of Proximal Development theory
Believed in "psychosocial" development- cognitive and social development occurring together