Thomas Alva
Edison

Edison Laboratory, Menlo Park (Physics Tree)








Ledyard
Tucker

University of Illinois


Wilhelm
Wundt

University of Leipzig




Henry
Kaiser

UC Berkeley






Lloyd
Humphreys

University of Illinois


William
McDougall

UCL/Harvard


Cyril
Burt

University of London


Wilhelm
Wundt

University of Leipzig




Raymond B.
Cattell

University of Illinois






Clark L.
Hull

UW Madison






Neal E.
Miller

Rockefeller


Kenneth W.
Spence

Iowa University


Frank A.
Logan

Univ. of New Mexico





James C.
Kaufman

California State University at San Bernardino
(Options)

James KaufmanX