Wilhelm
Wundt

University of Leipzig






Mark
Rosenzweig

UC Berkeley


John
Dewey

Columbia (PsychTree)




Hermann
Ebbinghaus

Universität Berlin


Benno
Erdmann

Universität Berlin




Harvey A.
Carr

Chicago (PsychTree)


Oliver S.
Strong

Marine Biological Laboratory, Columbia University




Edward Laurens
Mark

Harvard (DevTree)


Max
Verworn

University of Jena






John
Dewey

Columbia (PsychTree)


John B.
Watson

Johns Hopkins




Frank A.
Beach

UC Berkeley




Edmund Clark
Sanford

Clark University




Carl Emil
Seashore

University of Iowa








Harry F.
Harlow

UW Madison (Primatology Tree)


Gerald E.
McClearn

UC Berkeley

James Russell
Wilson

CU Boulder
(Options)

James WilsonX