George A.
Miller

Princeton




Nelson
Goodman

(Philosophy Tree)


Noam
Chomsky

MIT (LinguisTree)




Édouard
Claparède

Rousseau Institute


Jean
Piaget

University of Geneva




Anne
Christophe

CNRS, Paris

Savita
Bernal

CNRS Ecole Normale Supérieure
(Options)

Savita BernalX