1. Introduction -- 2. Jean Jacques Rousseau (1712-1778): The "Childhood" Paradigm -- 3. Johann Heinrich Pestalozzi (1746-1827) -- 4. Friedrich Wilhelm August Froebel (1782-1852) -- 5. John Ruskin (1819-1900) -- 6. Herbert Spencer (1820-1903) -- 7. International Conference of Education (1884): Colliding Theories in Art and Education -- 8. James Sully (1842-1923) -- 9. Franz Cizek (1865-1946): "Child Art" Becomes the Window Paradigm -- 10. Second-Generation Practitioners: The Mirror Paradigm -- 11. Second-Generation Practitioners: The Window Paradigm