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Hermann
Schacht
Universität Bonn (Systematics Tree)

Ernst Heinrich
Haeckel
Universität Jena (Neurotree)

Nathanael
Pringsheim
University of Jena (Marine Ecology Tree)


Eduard Adolf
Strasburger
Universität Bonn (Marine Ecology Tree)


Albert N.
Prentiss
Cornell (Mycotree)

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


William Russel
Dudley
Stanford (Mycotree)


Louis
Agassiz
Harvard (Neurotree)


Burt Green
Wilder
Cornell (DevTree)


George Francis
Atkinson
Cornell (Mycotree)


Calvin Henry
Kauffman
University of Michigan

Alfred Hubert William
Povah
Northwestern
(Options)

Alfred PovahX