Benjamin
Silliman, Sr.

Yale (Chemistry Tree)


James Dwight
Dana

Yale (Terrestrial Ecology Tree)


Benjamin
Silliman, Sr.

Yale (Chemistry Tree)


Benjamin
Silliman, Jr.

Yale (Chemistry Tree)


James Dwight
Dana

Yale (Terrestrial Ecology Tree)




Heinrich
Rose

Universität Berlin (Chemistry Tree)


Gustav
Rose

Universität Berlin (Physics Tree)


Christian Gottfried
Ehrenberg

Universität Berlin (Neurotree)


Robert Wilhelm Eberhard
Bunsen

Universität Heidelberg (Chemistry Tree)


Reinhard Joh.
Blum

University of Heidelberg (Chemistry Tree)


Gustav Robert
Kirchhoff

Universität Berlin (Physics Tree)


Heinrich
Göppert

University of Breslau (Chemistry Tree)




Charles Emerson
Beecher

Yale (Systematics Tree)


Charles
Schuchert

Yale (Evolution Tree)

G. Arthur
Cooper

United States National Museum
(Options)

G. CooperX