Louis
Agassiz

Harvard (Neurotree)


Rudolf
Leuckart

Ludwigs-Universität Giessen (Neurotree)


Charles Otis
Whitman

Chicago (Evolution Tree)


Michael Frederic
Guyer

UW Madison (Physiology Academic Tree)


Rudolf
Leuckart

Ludwigs-Universität Giessen (Neurotree)


Edward Laurens
Mark

Harvard (Neurotree)


Arthur Sperry
Pearse

Duke (Physiology Academic Tree)


William Henry
Howell

Johns Hopkins (Neurotree)


Joseph
Erlanger

Washington University (Neurotree)


Walter J.
Meek

UW Madison (Neurotree)


Frederick Lee
Hisaw

Harvard (Neurotree)


Edward Lewis
Sturtevant

(Plant Biology Tree)


Edward
Sturtevant

(Animal Behavior Tree)


Reginald Heber
Howe, Jr.

(Animal Behavior Tree)


Edward Laurens
Mark

Harvard (Neurotree)




Rudolf
Leuckart

Ludwigs-Universität Giessen (Neurotree)


Edward Laurens
Mark

Harvard (Neurotree)


William Ernest
Castle

UC Berkeley (FlyTree)


Glover Morrill
Allen

Harvard (Animal Behavior Tree)

Charles P.
Lyman

Harvard
(Options)

Charles LymanX