| Jean-Jacques Rousseau | (1712-1778) |
| Johan Heinrich Pestalozzi | (1746-1827) |
| Léon Tolstoï | (1828-1910) |
| Rudolf Steiner | (1861-1925) |
| Maria Montessori | (1870-1952) |
| Alexander Sutherland Neill | (1883-1973) |
| Jean William Fritz Piaget | (1896-1980) |
| Emmi Pikler | (1903-1984) |
| Carl Rogers | (1902-1987) |
| Françoise Dolto | (1908-1988) |
| Paolo Freire | (1921-1987) |
