Alexander
Agassiz

Harvard (Chemistry Tree)


William Keith
Brooks

Johns Hopkins (DevTree)


Karl Wilhelm
von Kupffer

University of München


Richard Karl
Hertwig

Universität München


Theodor Heinrich
Boveri

Julius-Maximilians-Universität Würzburg


Oscar
Hertwig

(DevTree)


Christian Ernst
Stahl

(Evolution Tree)


Ernst Heinrich
Haeckel

Universität Jena


Hans
Driesch

Universität Leipzig (DevTree)


Edmund Beecher
Wilson

Columbia (DevTree)


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)


Thomas Hunt
Morgan

Caltech (FlyTree)


Theodor Heinrich
Boveri

Julius-Maximilians-Universität Würzburg


Hans
Spemann

Albert-Ludwigs-Universität Freiburg


Viktor
Hamburger

Washington University


Rudolf
Leuckart

University of Leipzig


Berthold
Hatschek

Vienna University (ID Tree)


Franz
Hofmeister

Charles University in Prague (Chemistry Tree)


Hans L.
Przibram

Institute of the Academy of Sciences in Vienna


William Keith
Brooks

Johns Hopkins (DevTree)




Paul
Weiss

Chicago




Lewis Hill
Weed

Johns Hopkins Medical School


George B.
Wislocki

Harvard Medical School


Marcus
Singer

Case Western

Miriam
Saltpeter

(Options)

Miriam SaltpeterX