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Charles Sanders
Peirce
Johns Hopkins (Philosophy Tree)

Jeffries
Wyman
Harvard (Neurotree)

Louis
Agassiz
Harvard (Marine Ecology Tree)


William
James
Harvard (Neurotree)


Jeffries
Wyman
Harvard (Neurotree)

Claude
Bernard
Collège de France et l'Hôpital Hôtel-Dieu de Paris (Neurotree)

Max Johann Sigismund
Schultze
Anatomical Institute, Bonn (Neurotree)

Carl Friedrich Wilhelm
Ludwig
Universität Leipzig (Neurotree)

Carl
von Voit
Ludwig-Maximilians-Universität München (Chemistry Tree)


Henry Pickering
Bowditch
Harvard Medical School (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)


Granville Stanley
Hall
Johns Hopkins (Neurotree)
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Howard W.
Odum
UNC Chapel Hill

Margaret Jarman
Hagood
United States Department of Agriculture
(Options)

Margaret HagoodX