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




Josiah
Royce

Harvard (Philosophy Tree)




Elmer E.
Southard

Harvard Medical School




Chauncy McKinley
Louttit

Indiana University


Richard
Bootzin

University of Arizona


Ephraim
Rosen

UC Berkeley






John J. B.
Allen

University of Arizona

Spencer Charles
Dawson

Indiana University- Bloomington
(Options)

Spencer DawsonX