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Ludwig
Edinger
Goethe-Universität Frankfurt (Neurotree)

Henry Fairfield
Osborn
American Museum of Natural History (Evolution Tree)


Oliver S.
Strong
Marine Biological Laboratory, Columbia University (Neurotree)


John Black
Johnston
UMN (Neurotree)


Rudolf
Leuckart
Ludwigs-Universität Giessen (Neurotree)


Edward Laurens
Mark
Harvard (Neurotree)


Ernst Heinrich
Haeckel
Universität Jena (Neurotree)

William Thierry
Preyer
University of Jena (PsychTree)


Max
Verworn
University of Jena (Neurotree)


Herbert Spencer
Jennings
Johns Hopkins (Neurotree)


John
Dewey
Columbia (PsychTree)

William
James
Harvard (Neurotree)

Hermann
Ebbinghaus
Universität Berlin (Neurotree)

Benno
Erdmann
Universität Berlin (Neurotree)


James Rowland
Angell
Chicago (Neurotree)


George Sylvester
Morris
Johns Hopkins (Philosophy Tree)

Charles Sanders
Peirce
Johns Hopkins (Philosophy Tree)

Herbert Baxter
Adams
Johns Hopkins (History of History Tree)

Granville Stanley
Hall
Johns Hopkins (Neurotree)


John
Dewey
Columbia (PsychTree)


John B.
Watson
Johns Hopkins (Neurotree)


Karl Spencer
Lashley
Harvard (Neurotree)


John
Dewey
Columbia (PsychTree)

William
James
Harvard (Neurotree)

Hermann
Ebbinghaus
Universität Berlin (Neurotree)

Benno
Erdmann
Universität Berlin (Neurotree)


James Rowland
Angell
Chicago (Neurotree)


Harvey A.
Carr
Chicago (Neurotree)


Oliver S.
Strong
Marine Biological Laboratory, Columbia University (Neurotree)


John Black
Johnston
UMN (Neurotree)


Edward Laurens
Mark
Harvard (Neurotree)

Max
Verworn
University of Jena (Neurotree)


Herbert Spencer
Jennings
Johns Hopkins (Neurotree)


James Rowland
Angell
Chicago (Neurotree)

John
Dewey
Columbia (PsychTree)


John B.
Watson
Johns Hopkins (Neurotree)


Karl Spencer
Lashley
Harvard (Neurotree)


Frank A.
Beach
UC Berkeley (Neurotree)

Dennis
Wright
UC Berkeley
(Options)

Dennis WrightX