Kenneth W.
Spence

Iowa University


Cletus J.
Burke

California State University (PsychTree)




James P.
Egan

Indiana University Bloomington




Morris R.
Cohen

CCNY (Philosophy Tree)


John
Dewey

Columbia (PsychTree)


Ernest
Nagel

Columbia


Patrick
Suppes

Stanford (Philosophy Tree)



Charles G.
Manning

University of Washington
(Options)

Charles ManningX