Ludwig
Edinger

Goethe-Universität Frankfurt


Henry Fairfield
Osborn

American Museum of Natural History (Evolution Tree)


Oliver S.
Strong

Marine Biological Laboratory, Columbia University




Rudolf
Leuckart

University of Leipzig






John
Dewey

Chicago (PsychTree)




Hermann
Ebbinghaus

Universität Berlin


Benno
Erdmann

Universität Berlin




John B.
Watson

Johns Hopkins



Carney
Landis

Columbia
(Options)


Gad
Hakerem

Queens College, City University of New York

Arthur L.
Benton

University of Iowa

Arthur L.
Benton

University of Iowa

Luigi
Vignolo

University of Brescia Medical School

Ennio
De Renzi

University of Modena

Frank J.
Spellacy

University of Victoria


Kerry deS
Hamsher

University of Wisconsin (MCC)

Julia
Hannay

University of Houston



Karen Elizabeth
Wills

Children's Hospitals of Minnesota

Otfried
Spreen

University of Victoria

Paul J.
Eslinger

Penn State College of Medicine


Marion R.
Bartlett

Wagner College

Carney LandisX