Oliver S.
Strong

Marine Biological Laboratory, Columbia University






Max
Verworn

University of Jena






John B.
Watson

Johns Hopkins








Friedrich
Goltz

Kaiser-Wilhelms-Universität Straßburg


Rudolf Ludwig Karl
Virchow

Universität Berlin


Robert
Koch

Universität Berlin (ID Tree)






Karl Hugo
Kronecker

Universität Bern (Physiology Academic Tree)


William Stewart
Halsted

Johns Hopkins Medical School






Santiago
Ramon Y Cajal

Madrid University


Leopoldo
López García

Universidad de Valladolid


Pio
del Rio-Hortega

Madrid University


Carl
Wernicke

University of Breslau


Otfrid
Foerster

University of Breslau






Wilhelm
Wundt

University of Leipzig







Norman S.
Endler

York University
(Options)

Alexandra
Rutherford

York University

Jennifer
Bazar

Humber College (PsychTree)

Jacy L.
Young

Quest University (PsychTree)

Elissa
Rodkey

Crandall University

Eilenna
Denisoff

York University

Nancy
Kocovski

York University

Norman EndlerX