Oliver S.
Strong

Marine Biological Laboratory, Columbia University






Max
Verworn

University of Jena






John
Dewey

Columbia (PsychTree)


John B.
Watson

Johns Hopkins




Michael
Foster

Cambridge




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


Luis
Simarro-Lacabra

Universidad de Madrid


Pio
del Rio-Hortega

Madrid University


Carl
Wernicke

University of Breslau


Otfrid
Foerster

University of Breslau





Roy
Pritchard

McMaster University
(Options)

Roy PritchardX