John C.
Loehlin

UT Austin




Arnold H.
Buss

University of Texas


Robert
Plomin

King's College


Cyril
Burt

University of London




Raymond B.
Cattell

University of Illinois




C. S.
Bergeman

Notre Dame




David
Grant

UW Madison






Thomas Alva
Edison

Edison Laboratory, Menlo Park (Physics Tree)








Ledyard
Tucker

University of Illinois


Francis
Galton

Cambridge


Felix
Krueger

Universität München (LinguisTree)


Wilhelm
Wundt

University of Leipzig




Henry
Kaiser

UC Berkeley






Lloyd
Humphreys

University of Illinois




Francis
Galton

Cambridge




Cyril
Burt

University of London


Francis
Galton

Cambridge


Felix
Krueger

Universität München (LinguisTree)


Wilhelm
Wundt

University of Leipzig




Raymond B.
Cattell

University of Illinois


?



Anthony D.
Ong

Cornell
(Options)

Anthony OngX