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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)


William Gilson
Farlow
Harvard (Mycotree)


William Albert
Setchell
UC Berkeley (Systematics Tree)


Winthrop J. V.
Osterhout
Rockefeller Institute for Medical Research (Chemistry Tree)



Lorin John
Mullins
University of Maryland, Baltimore
(Options)

Lorin MullinsX