Carl
Stumpf

Universität Berlin






Charles Sanders
Peirce

Johns Hopkins (Philosophy Tree)




Joseph
Jastrow

Johns Hopkins




V. A. C.
Henmon

UW Madison


Carl Emil
Seashore

University of Iowa


Daniel
Starch

UW Madison (PsychTree)


Clark L.
Hull

UW Madison




Charles Sanders
Peirce

Johns Hopkins (Philosophy Tree)








Wilhelm
Wundt

University of Leipzig






Franz
Brentano

Vienna University




Carl
Stumpf

Universität Berlin





Herbert L.
Pick

UMN
(Options)

John J.
Rieser

Vanderbilt



(LinguisTree)







Lauren M.
Ellman

Temple University

Nicholas E
Fears

University of North Texas Health Science Center (PsychTree)

Herbert PickX