Nikolay Yakovlevich
Grot

Moscow State University (Neurotree)


Wilhelm
Wundt

University of Leipzig


Georgij
Chelpanov

University of Moscow (Neurotree)


Gustav Gustavovich
Shpet

University of Moscow (Neurotree)


Lev Semionovitch
Vygotsky

Psychological Institute, Moscow

Irène Léopoldoff
Martin

University of Geneva
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Irène MartinX