?




Max Johann Sigismund
Schultze

Anatomical Institute, Bonn


Ernst Heinrich
Haeckel

Universität Jena




Erwin
Stresemann

University of Berlin Museum of Natural History (Evolution Tree)


Ernst
Mayr

Harvard










John B.
Watson

Johns Hopkins




Frank A.
Beach

UC Berkeley


Jerome
Kagan

Harvard

Frank J.
Sulloway

UC Berkeley
(Options)

Frank SullowayX