Carl Heinrich
Köstlin

Karlsschule Stuttgart (Chemistry Tree)


Christian Gottlieb
Reuss

Karlsschule Stuttgart (Chemistry Tree)


Johann Friedrich
Blumenbach

Universität Göttingen (Chemistry Tree)


Johann Friedrich
Gmelin

Universität Göttingen (Neurotree)


Georg Christoph
Lichtenberg

Universität Göttingen (Meteorology Tree)


Carl Friedrich
Kielmeyer

Universität Tübingen (Chemistry Tree)


Antoine
François, comte de Fourcroy

Jardin du Roi (Chemistry Tree)


Étienne
Geoffroy St. Hilaire

University of Paris (Anatomy Tree)


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Pierre Louis Antoine
Cordier

Museum National d'Histoire Naturelle, Paris


Alcide Charles Victor Marie Dessalines
d'Orbigny

Museum National d'Histoire Naturelle

John James
Audubon

Self-employed
(Options)

Spencer Fullerton
Baird

Smithsonian Institution



Robert
Kennicott

Smithsonian Institution

Edward Drinker
Cope

Academy of Natural Sciences, Philadelphia


Robert
Ridgway

Smithsonian National Museum of Natural History


George Brown
Goode

Smithsonian Institution

Leonhard Hess
Stejneger

Smithsonian National Museum of Natural History

Addison Emery
Verrill

Yale (Animal Science Tree)

John AudubonX