Charles Sanders
Peirce

Johns Hopkins (Philosophy Tree)


Jeffries
Wyman

Harvard (Neurotree)


Louis
Agassiz

Harvard (Marine Ecology Tree)






George Sylvester
Morris

Johns Hopkins (Philosophy Tree)


Charles Sanders
Peirce

Johns Hopkins (Philosophy Tree)




Josiah
Royce

Harvard (Philosophy Tree)






Wilhelm
Wundt

University of Leipzig


Francis
Galton

Cambridge






Ernst Heinrich
Weber

Universität Leipzig


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






Henry Pickering
Bowditch

Harvard Medical School (Neurotree)


Wilhelm
Wundt

University of Leipzig




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


Wilhelm
Wundt

University of Leipzig


William
Hopkins

Cambridge (Physics Tree)


Francis
Galton

Cambridge




Albert Theodore
Poffenberger

Columbia (Neurotree)

Henry
Garrett

(Options)


William
O’Donohue

University of Maine


Leon
Festinger

New School for Social Research


Henry GarrettX