Alexander
Agassiz

Harvard (Chemistry Tree)


William Keith
Brooks

Johns Hopkins (DevTree)


Oscar
Hertwig

(DevTree)


Christian Ernst
Stahl

(Evolution Tree)


Ernst Heinrich
Haeckel

Universität Jena


Hans
Driesch

Universität Leipzig (DevTree)




Curt
Stern

UC Berkeley

Ben
Neel

(Options)

Ben NeelX