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



James S.
Calvin

Yale
(Options)

John W.
Donahoe

U Mass Amherst

John JB
Ayres

University of Massachusetts

Vernon
Quinsey

Queens University

Will J.
Millard

Mount Holyoke

José E.
Burgos

Universidad de Guadalajara (México)

Lelon J.
Peacock

University of Kentucky

Roger K.
Thomas

University of Georgia

Josephine M.
Johns

UNC Chapel Hill

James CalvinX