Alexander
Agassiz

Harvard (Chemistry Tree)


William Keith
Brooks

Johns Hopkins (DevTree)


Oscar
Hertwig

Universität Berlin (Neurotree)


Christian Ernst
Stahl

Universität Jena (Evolution Tree)


Ernst Heinrich
Haeckel

Universität Jena (Neurotree)


Hans
Driesch

Universität Leipzig (DevTree)


Thomas Hunt
Morgan

Caltech (FlyTree)


Albert
Tyler

Caltech (Neurotree)

John Daniel
Spikes

University of Utah
(Options)

Norman Ivan
Bishop

Oregon State (Plant Biology Tree)

Horst
Senger

Universität Marburg (Chemistry Tree)

Lee H.
Pratt

University of Georgia (Plant Biology Tree)

John SpikesX