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



Constance J.
Jones

Fresno State
(Options)

Justin L.
Matthews

California State University, Monterey

Constance JonesX