Armand
Thiéry

University of Louvain


Wilhelm
Wundt

University of Leipzig


Oswald
Külpe

University of Wurzburg


Albert E.
Michotte van den Berck

Catholic University of Louvain, Belgium


Paul
Fraisse

University of Paris


Hatwell
Yvette

LPNC - CNRS UMR 5105

Heidi
Charvin

Université de Rouen
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Heidi CharvinX