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Louis
Agassiz
Harvard (Marine Ecology Tree)


Asa
Gray
Harvard (Chemistry Tree)

George
Engelmann
(Mycotree)

Thure Ludwig Theodor
Kumlien
Albion Academy; Wisconsin Natural History Society (Evolution Tree)


Edward Lee
Greene
University of California at Berkeley; Smithsonian; Catholic University of America (Evolution Tree)


Heinrich Georg
Bronn
Universität Heidelberg

Edmond
Hébert
ENS Paris (Evolution Tree)


Karl Alfred
von Zittel
Universität München (Evolution Tree)


John C.
Merriam
Carnegie Institution of Washington (Evolution Tree)



Hubert Gregory
Schenck
Stanford
(Options)


Richard
Cifelli
National Museum of Natural History

Donald Leslie
Frizzell
Missouri University of Science and Technology

Ronald
Greeley
Arizona State (Physics Tree)

Robert G.
Strom
University of Arizona (Physics Tree)

Nadine Gail
Barlow
Northern Arizona University (Astronomy Tree)

Hubert SchenckX