Elisabeth
Hill

Goldsmiths, University of London
?


José van
Velzen

Goldsmiths, University of London


Alfred
Binet

Sorbonne




Théodore
Flournoy

University of Geneva (PsychTree)




Édouard
Claparède

Rousseau Institute


Jean
Piaget

University of Geneva




Édouard
Claparède

Rousseau Institute


Jean
Piaget

University of Geneva


Bärbel
Inhelder

University of Geneva


Annette
Karmiloff-Smith

Birkbeck College




Édouard
Claparède

Rousseau Institute


Jean
Piaget

University of Geneva


Jean
Piaget

University of Geneva


Bärbel
Inhelder

University of Geneva


Annette
Karmiloff-Smith

Birkbeck College


Solly
Zuckerman

Birmingham University




Herbert Henri
Jasper

Université de Montréal


Gabriel
Horn

Cambridge


Robert A.
Hinde

Cambridge


Patrick
Bateson

Cambridge


Paul M.
Fitts

University of Michigan


Oscar
Marin

Good Samaritan Hospital


Michael I.
Posner

University of Oregon








Mark H.
Johnson

Birkbeck College






Elisabeth
Hill

Goldsmiths, University of London


Hayley C.
Leonard

University of Surrey

Dan
Brady

Goldsmiths, University of London
(Options)

Dan BradyX