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








Thomas Hunt
Morgan

Caltech (FlyTree)


Harold
Plough

Amherst College


Frank Rattray
Lillie

Chicago (DevTree)




William (WC)
Young

University of Kansas










Keller
Breland

University of Arksas


Robert W.
Goy

Wisconsin Regional Primate Research Center

Gray
Eaton

Oregon Primate Center
(Options)

Gray EatonX