John B.
Watson

Johns Hopkins










Selig
Hecht

Columbia


Otto
Warburg

Kaiser-Wilhelm-Institut für Biologie (Chemistry Tree)


Paul
Karrer

Universität Zürich (Chemistry Tree)


Otto Fritz
Meyerhof

Kaiser Wilhelm Institut, Berlin (Chemistry Tree)


George
Wald

Harvard




John Stanley
Gardiner

Cambridge (Physiology Academic Tree)


Frederick (Pether) Robert
Petherbridge

Cambridge (Entomology Tree)


William Homan
Thorpe

Cambridge (Animal Behavior Tree)


Nikolaas (Niko)
Tinbergen

Oxford (Primatology Tree)


David
Lack

Oxford (Terrestrial Ecology Tree)


Robert A.
Hinde

Cambridge





Ellis
Jesse

UCLA
(Options)

Ellis JesseX