Henry Pickering
Bowditch

Harvard Medical School


Wilhelm
Wundt

University of Leipzig






Edmund Clark
Sanford

Clark University








Carl Emil
Seashore

University of Iowa








John B.
Watson

Johns Hopkins






Harry F.
Harlow

UW Madison (Primatology Tree)

Dennis
Clark

University of Arizona at Tucson
(Options)

William David
Klipec

Drake University

Dennis ClarkX