John
Dewey

Columbia (PsychTree)




Hermann
Ebbinghaus

Universität Berlin


Benno
Erdmann

Universität Berlin






Oliver S.
Strong

Marine Biological Laboratory, Columbia University






Max
Verworn

University of Jena






John
Dewey

Columbia (PsychTree)


John B.
Watson

Johns Hopkins




Frank A.
Beach

UC Berkeley






Howard
Hunt

Chicago


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