Benjamin
Silliman, Sr.

Yale (Chemistry Tree)


Amos
Eaton

RPI (Chemistry Tree)


John
Torrey

Columbia (Chemistry Tree)


Carl F. P.
von Martius

Universität München (Neurotree)


Lorenz
Oken

Universität Zürich (Physiology Academic Tree)


Ignaz
Döllinger

University of Munich (Neurotree)


Andreas
Röschlaub

University of Munich (Neurotree)






Louis
Agassiz

Harvard (Marine Ecology Tree)


Joseph
Le Conte (LeConte)

UC Berkeley (Geotree)


Kurt Polycarp Joachim
Sprengel

Martin-Luther-Universität Halle-Wittenberg (Plant Biology Tree)


Ernst Friedrich
Germar

Martin-Luther-Universität Halle-Wittenberg


Hermann Rudolf
Schaum

Universität Berlin


John Lawrence
LeConte

Columbia University Medical School

George Henry
Horn

(Options)


Alfred B.
Champlain

Pennsylvania State Bureau of Plant Industry

George HornX