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Orville A.
Smith
University of Washington
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Ludwig
Edinger
Goethe-Universität Frankfurt

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


Oliver S.
Strong
Marine Biological Laboratory, Columbia University


Rudolf
Leuckart
Ludwigs-Universität Giessen


Edward Laurens
Mark
Harvard (DevTree)


Ernst Heinrich
Haeckel
Universität Jena

William Thierry
Preyer
University of Jena (PsychTree)


Max
Verworn
University of Jena


John
Dewey
Columbia (PsychTree)



Hermann
Ebbinghaus
Universität Berlin

Benno
Erdmann
Universität Berlin


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)


John B.
Watson
Johns Hopkins





Andrew R.
Mitz
NIMH
(Options)

Andrew MitzX