Alexander
Agassiz

Harvard (Chemistry Tree)


William Keith
Brooks

Johns Hopkins (DevTree)


Karl Wilhelm
von Kupffer

Universität München (DevTree)


Richard Carl Wilhelm Theodor Ritter von
Hertwig

Universität München (Neurotree)


Theodor Heinrich
Boveri

Universität Würzburg (DevTree)


Oscar
Hertwig

(DevTree)


Christian Ernst
Stahl

Universität Jena (Evolution Tree)


Ernst Heinrich
Haeckel

Universität Jena (Neurotree)


Hans
Driesch

Universität Leipzig (DevTree)


Edmund Beecher
Wilson

Columbia (DevTree)




John Strong
Newberry

Columbia (Geotree)


Bashford
Dean

American Museum of Natural History (Evolution Tree)
?


Philip Hanson
Hiss

Columbia University Medical School


Hans
Zinsser

Harvard
?


Homer
Swift

Rockefeller Institute for Medical Research

Rebecca Craighill
Lancefield

Rockefeller Institute for Medical Research
(Options)

Rebecca LancefieldX