Who are the main reformers of 19th century that attempted to build a methodology around observation of child language learning?
1
Losanov
2
Gouin, F.Franke
3
A.Meillet, C.Bally, S.O.Kartevskii
4
Aristotle, Spinoza, Potebnia
5
L.V.Shcherba, P.V.Bogatyrev, E.D.Polivanov