Wilhelm
Wundt

University of Leipzig






James Rowland
Angell

Chicago (Neurotree)




John
Dewey

Chicago




Hermann
Ebbinghaus

Universität Berlin (Neurotree)


Benno
Erdmann

Universität Berlin (Neurotree)


James Rowland
Angell

Chicago (Neurotree)


Walter S.
Hunter

(Neurotree)


Fred Simmons
Keller

Columbia (Neurotree)




Josiah
Royce

Harvard (Philosophy Tree)










Wilhelm
Wundt

University of Leipzig


Francis
Galton

Cambridge (Neurotree)




Albert Theodore
Poffenberger

Columbia (Neurotree)


Gustav
Karsten

Kiel University (LinguisTree)


Rudolf Ludwig Karl
Virchow

Universität Berlin (Neurotree)


Franz
Boas

Columbia (Neurotree)




Josiah
Royce

Harvard (Philosophy Tree)








William N.
Schoenfeld

Queens College (Neurotree)

Ralph F.
Hefferline

Columbia
(Options)

Ralph HefferlineX