George Sylvester
Morris

Johns Hopkins (Philosophy Tree)


Charles Sanders
Peirce

Johns Hopkins (Philosophy Tree)


Herbert Baxter
Adams

Johns Hopkins (History of History Tree)




John
Dewey

Columbia (PsychTree)


Charles Sanders
Peirce

Johns Hopkins (Philosophy Tree)




Louis
Agassiz

Harvard (Marine Ecology Tree)




Friedrich Adolf
Trendelenburg

Universität Berlin (Philosophy Tree)






Hermann
Ebbinghaus

Universität Berlin


Eduard
Zeller

Universität Berlin


Hermann
Bonitz

University of Vienna


Benno
Erdmann

Universität Berlin




Jacob Robert
Kantor

University of Maryland (PsychTree)


Wilhelm
Wundt

University of Leipzig


Ezequiel A.
Chávez

UNAM (PsychTree)


Enrique O.
Aragon

UNAM (PsychTree)


Josiah
Royce

Harvard (Philosophy Tree)


Hugo
Münsterberg

Universität Berlin


Elmer E.
Southard

Harvard Medical School




John Frederick
Shepard

University of Michigan


Joseph
Jastrow

Johns Hopkins


V. A. C.
Henmon

UW Madison


Daniel
Starch

UW Madison (PsychTree)




Kenneth W.
Spence

Iowa University


Franz
Brentano

Vienna University




Carl
Stumpf

Universität Berlin


Benno
Erdmann

Universität Berlin


Max
Planck

Universität Berlin (Physics Tree)


Walther
Nernst

Universität Berlin (Chemistry Tree)


Carl
Stumpf

Universität Berlin






Carl
Stumpf

Universität Berlin


Oswald
Külpe

University of Wurzburg


Friedrich
Schumann

Goethe-Universität Frankfurt (PsychTree)


Max
Wertheimer

New School for Social Research




John Frederick
Shepard

University of Michigan


Joseph
Jastrow

Johns Hopkins


V. A. C.
Henmon

UW Madison


Daniel
Starch

UW Madison (PsychTree)






Rogelio
Díaz-Guerrero

UNAM (PsychTree)

Emilio Ribes
Iñesta

Centro de Estudios e Investigaciones en Comportamiento, México
(Options)

Carlos Barbosa
Alve

Federal University of Para

Liane
Dahás

University of Sao Paolo - USP

Ricardo M.
Tamayo

Universidad Nacional de Colombia

Johanna
Sánchez-Mora

Universidad Nacional de Colombia


José A
Parra

Universidad Nacional de Colombia

Emilio IñestaX