Frank A.
Beach

UC Berkeley


Jerome
Kagan

Harvard




George A.
Miller

Princeton


Benno
Erdmann

Universität Berlin


Max
Planck

Universität Berlin (Physics Tree)


Walther
Nernst

Universität Berlin (Chemistry Tree)


Carl
Stumpf

Universität Berlin






Hans
Wallach

New School for Social Research
















Kurt
Koffka

Smith College




John Frederick
Shepard

University of Michigan


Joseph
Jastrow

Johns Hopkins


V. A. C.
Henmon

UW Madison


Daniel
Starch

UW Madison (PsychTree)


Clark L.
Hull

UW Madison






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






Willem J.M.
Levelt

Max Planck Institute for Psycholinguistics




George A.
Miller

Princeton




Nelson
Goodman

(Philosophy Tree)


Noam
Chomsky

MIT (LinguisTree)


Alfred
Binet

Sorbonne




Édouard
Claparède

Rousseau Institute


Jean
Piaget

University of Geneva




Nuria
Sebastian-Galles

Universitat Pompeu Fabra

Gaye
Soley

Harvard
(Options)

Gaye SoleyX