John B.
Watson

Johns Hopkins








Pio
del Rio-Hortega

Madrid University


Otfrid
Foerster

University of Breslau
















Otfrid
Foerster

University of Breslau






Paul
Bucy

Chicago






John B.
Watson

Johns Hopkins






Floyd Henry
Allport

Maxwell School of Syracuse University






Carl
Stumpf

Universität Berlin








Morris
Bender

Mount Sinai School of Medicine






William Ralph
Smythe

Caltech (Physics Tree)


Charles Hard
Townes

UC Berkeley (Physics Tree)




James P.
Egan

Indiana University






Shihab A.
Shamma

ENS Paris

Ping-Bo
Yin

University of Maryland
(Options)

Ping-Bo YinX