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Richard
Owen
British Museum of Natural History (Neurotree)


Jeffries
Wyman
Harvard (Neurotree)


Oliver Wendell
Holmes
Harvard Medical School (Neurotree)

Jacob
Bigelow
University of Pennsylvania Medical School (Neurotree)


Henry Jacob
Bigelow
MGH (Neurotree)


John
Torrey
Columbia (Chemistry Tree)


Asa
Gray
Harvard (Chemistry Tree)


Georg
Fresenius
Naturmuseum Senckenberg (Mycotree)

Alexander Heinrich
Braun
Universität Berlin (Physiology Academic Tree)

Hugo
von Mohl
Universität Tübingen (Physiology Academic Tree)


Heinrich Anton
de Bary
Kaiser-Wilhelms-Universität Straßburg (Mycotree)


William Gilson
Farlow
Harvard (Mycotree)


Roland
Thaxter
Harvard (Mycotree)

Joseph Horace
Faull
Harvard
(Options)

George Henry
Duff
University of Toronto

Ernest Roy
Waygood
University of Manitoba

Joseph FaullX