?


Thomas Alva
Edison

Edison Laboratory, Menlo Park (Physics Tree)






John
Dewey

Chicago (PsychTree)


Hermann
Ebbinghaus

Universität Berlin




Benno
Erdmann

Universität Berlin






Max
Wertheimer

New School for Social Research








Ralph M.
Reitan

Reitan Neuropsychological Laboratory, Tucson, AZ




Henry Pickering
Bowditch

Harvard Medical School






Edmund Clark
Sanford

Clark University


?


William
Miles

Stanford






John B.
Watson

Johns Hopkins






Harry F.
Harlow

UW Madison


Wilhelm
Wundt

University of Leipzig




Raymond H.
Stetson

Oberlin College




Carney
Landis

Columbia


Wilhelm
Wundt

University of Leipzig


Max
Brahn

University of Leipzig


Rudolph
Pintner

Ohio State


Joseph
Zubin

Columbia






John B.
Watson

Johns Hopkins




Carney
Landis

Columbia


Arthur L.
Benton

University of Iowa

Manfred J.
Meier

UMN
(Options)

Manfred MeierX