Clark L.
Hull

UW Madison


Kenneth W.
Spence

Iowa University






Edmund Clark
Sanford

Clark University




Joseph
Jastrow

Johns Hopkins


V. A. C.
Henmon

UW Madison


Daniel
Starch

UW Madison (PsychTree)


Clark L.
Hull

UW Madison


Carl Emil
Seashore

University of Iowa








Neal E.
Miller

Rockefeller


John D.
Davis

Columbia

Constance
Campbell

Northwestern
(Options)

Constance CampbellX