Joseph
Black

(Neurotree)


Thomas Charles
Hope

University of Glasgow, University of Edinburgh (Neurotree)


Benjamin
Rush

Penn (Neurotree)






Robert
Hare

Penn (Neurotree)


Benjamin
Silliman, Sr.

Yale (Chemistry Tree)


Amos
Eaton

RPI (Chemistry Tree)

John
Torrey

Columbia
(Options)

Asa
Gray

Harvard

William James
Beal

Michigan Agricultural College (Plant Biology Tree)

Sereno
Watson

Harvard (Evolution Tree)

Edward
Tuckerman

Amherst College (Plant Biology Tree)

William
Trelease

UIUC (Plant Biology Tree)

Charles Reid
Barnes

Chicago (Chemistry Tree)

Charles Edwin
Bessey

University of Nebraska

William Gilson
Farlow

Harvard (Mycotree)

Liberty Hyde
Bailey

Cornell (Plant Biology Tree)

John TorreyX