Franz
Brentano

Vienna University (Neurotree)




Carl
Stumpf

Universität Berlin


Benno
Erdmann

Universität Berlin (Neurotree)


Max
Planck

Universität Berlin (Physics Tree)


Walther
Nernst

Universität Berlin (Chemistry Tree)


Carl
Stumpf

Universität Berlin


Wolfgang
Köhler

Dartmouth (Neurotree)


Christian
von Ehrenfels

Prague (Neurotree)


Carl
Stumpf

Universität Berlin


Oswald
Külpe

University of Wurzburg


Friedrich
Schumann

Goethe-Universität Frankfurt


Max
Wertheimer

New School for Social Research (Neurotree)




Walter Bowers
Pillsbury

University of Michigan


John Frederick
Shepard

University of Michigan


Charles Sanders
Peirce

Johns Hopkins (Philosophy Tree)




Joseph
Jastrow

Johns Hopkins (Neurotree)






V. A. C.
Henmon

UW Madison (Neurotree)


Carl Emil
Seashore

University of Iowa


Daniel
Starch

UW Madison






George Trumbull
Ladd

Yale (Neurotree)


Carl Emil
Seashore

University of Iowa












Kenneth W.
Spence

Iowa University


Carl
Stumpf

Universität Berlin


Wolfgang
Köhler

Dartmouth (Neurotree)


Max
Wertheimer

New School for Social Research (Neurotree)




Leon
Festinger

New School for Social Research






Edgar Douglas
Adrian

Cambridge (Neurotree)


Carl
Pfaffmann

Rockefeller




Lorrin
Riggs

Brown (Neurotree)


Walter L.
Makous

Rochester (Neurotree)


Stephen C.
Woods

University of Cincinnati (Neurotree)

Katherine
Porikos

(Options)

Katherine PorikosX