?


Jeffries
Wyman

Harvard (Neurotree)
?


Henry Jacob
Bigelow

MGH (Neurotree)


John
Torrey

Columbia (Chemistry Tree)


Asa
Gray

Harvard (Chemistry Tree)


Georg
Fresenius

Naturmuseum Senckenberg


Alexander Heinrich
Braun

Universität Berlin (Physiology Academic Tree)


Hugo
von Mohl

Universität Tübingen (Physiology Academic Tree)


Heinrich Anton
de Bary

Kaiser-Wilhelms-Universität Straßburg





John William
Hotson

University of Washington
(Options)

Leon Carleton
Snyder

UMN (Plant Biology Tree)

Robert B.
van Huystee

Western Ontario (Chemistry Tree)

John HotsonX