Carl
Stumpf

Universität Berlin




Max
Wertheimer

New School for Social Research






Jacob Robert
Kantor

University of Maryland (PsychTree)


Lee Edward
Travis

University of Iowa


Wendell
Johnson

University of Iowa




Chauncy McKinley
Louttit

Indiana University Bloomington




Josiah
Royce

Harvard (Philosophy Tree)


Hugo
Münsterberg

Universität Berlin


Elmer E.
Southard

Harvard Medical School




Chauncy McKinley
Louttit

Indiana University Bloomington


Richard
Bootzin

University of Arizona

Brant P.
Hasler

University of Arizona
(Options)

Brant HaslerX