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Benjamin
Peirce
Harvard (MathTree)


Charles Sanders
Peirce
Johns Hopkins (Philosophy Tree)


Richard
Owen
British Museum of Natural History (Neurotree)


Jeffries
Wyman
Harvard (Neurotree)


Carl F. P.
von Martius
Universität München (Neurotree)

Lorenz
Oken
Universität Zürich (Physiology Academic Tree)

Ignaz
Döllinger
University of Munich (Neurotree)

Andreas
Röschlaub
University of Munich (Neurotree)





Louis
Agassiz
Harvard (Neurotree)


William
James
Harvard (Neurotree)


Ernst Heinrich
Weber
Universität Leipzig (Neurotree)

Moritz Wilhelm
Drobisch
University of Leipzig (Neurotree)

Christian Hermann
Weiße
Universität Leipzig (Neurotree)

Johann Christian August
Clarus
Universität Leipzig (Neurotree)

Alfred Wilhelm
Volkmann
Universität Halle-Wittenberg (Neurotree)

Gustav Theodor
Fechner
Leipzig University (Neurotree)


Rudolf Hermann
Lotze
Berlin (Neurotree)


William
James
Harvard (Neurotree)

Henry Pickering
Bowditch
Harvard Medical School (Neurotree)

Wilhelm
Wundt
University of Leipzig (Neurotree)


Granville Stanley
Hall
Johns Hopkins (Neurotree)


Robert Wilhelm Eberhard
Bunsen
Universität Heidelberg (Chemistry Tree)

Karl Ewald
Hasse
Universität Göttingen (Neurotree)

Johannes Peter
Müller
Universität Berlin (Neurotree)

Hermann
von Helmholtz
Physikalisch-Technische Reichsanstalt (Neurotree)


Wilhelm
Wundt
University of Leipzig (Neurotree)


William
Hopkins
Cambridge (Physics Tree)


Francis
Galton
Cambridge (Neurotree)


James McKeen
Cattell
Penn (Neurotree)


Edward L.
Thorndike
Columbia (Neurotree)

Percival
Symonds
Columbia
(Options)

Arthur R.
Jensen
UC Berkeley

Craig L.
Frisby
University of Missouri - Columbia (Neurotree)

John H.
Kranzler
UF Gainesville (MathTree)

Percival SymondsX